-
question_answer1)
What is the arithmetic mean of 1, 2,...., 9 and 10?
A)
\[5.5\] done
clear
B)
\[6\] done
clear
C)
\[7.5\] done
clear
D)
\[10\] done
clear
View Solution play_arrow
-
question_answer2)
In a data, 10 numbers are arranged in increasing order. If the 7th entry is increased by 4, by how much does the median increase?
A)
Zero done
clear
B)
4 done
clear
C)
6 done
clear
D)
5 done
clear
View Solution play_arrow
-
question_answer3)
What is the mean of \[x,\text{ }x+3,\text{ }x+6,\text{ }x+9\]and \[x+12\]?
A)
\[x+3\] done
clear
B)
\[x+6\] done
clear
C)
\[x+9\] done
clear
D)
\[x+12\] done
clear
View Solution play_arrow
-
question_answer4)
The daily sales of kerosene (in litres) in a ration shop for six days is given in the box.
75, 120, 12, 50, 70.5, 140.5 |
What is the average daily sale?
A)
\[150\,l\] done
clear
B)
\[10\,l\] done
clear
C)
\[142\,l\] done
clear
D)
\[78\,l\] done
clear
View Solution play_arrow
-
question_answer5)
The mean of five numbers is 27. If one of the numbers is excluded, the mean gets reduced by 2. What is the excluded number?
A)
\[35\] done
clear
B)
\[27\] done
clear
C)
\[25\] done
clear
D)
\[40\] done
clear
View Solution play_arrow
-
question_answer6)
What is the median of the data 46,64,87, 41,58,77,35,90,55,33,92?
A)
\[87\] done
clear
B)
\[77\] done
clear
C)
\[58\] done
clear
D)
\[60.2\] done
clear
View Solution play_arrow
-
question_answer7)
Which of the following is true about mean?
A)
It occurs most frequently. done
clear
B)
It divides observations into two equal parts. done
clear
C)
It is representative of the whole group. done
clear
D)
It is the sum of observations. done
clear
View Solution play_arrow
-
question_answer8)
If each entry of a data is increased by 5, how does the mean change?
A)
Remains the same . done
clear
B)
Increases by 5. done
clear
C)
Decreases by 5. done
clear
D)
Becomes half. done
clear
View Solution play_arrow
-
question_answer9)
The arithmetic mean of five given numbers is 85. What is their sum?
A)
425 done
clear
B)
85 done
clear
C)
A number between 85 and 425. done
clear
D)
A number greater than 500. done
clear
View Solution play_arrow
-
question_answer10)
The average weight of a sample of 10 apples is\[52\text{ }g\]. Later it was found that the weighing machine had shown the weight of each apple \[\text{10 }g\] less. What is the correct average weight of an apple?
A)
\[\text{62 }g\] done
clear
B)
\[\text{54 }g\] done
clear
C)
\[\text{56 }g\] done
clear
D)
\[\text{52 }g\] done
clear
View Solution play_arrow
-
question_answer11)
The mean of 6, y, 7, x and 14 is 8.Which of the following is true?
A)
\[x+y=13\] done
clear
B)
\[x-y=13\] done
clear
C)
\[2x+3y=13\] done
clear
D)
\[{{x}^{2}}+{{y}^{2}}=15\] done
clear
View Solution play_arrow
-
question_answer12)
Which of the following is correct about mode?
A)
It is central. done
clear
B)
It occurs most frequently. done
clear
C)
It lies between the maximum and minimum observations. done
clear
D)
It is the average of the two middle terms. done
clear
View Solution play_arrow
-
question_answer13)
Rajani has a box with 6 marbles numbered from 1 to 6 on each of them. She picks a marble from it without seeing. What is the probability that the marble picked has the number 3 on it?
A)
\[\frac{1}{6}\] done
clear
B)
\[\frac{2}{3}\] done
clear
C)
\[\frac{3}{4}\] done
clear
D)
\[\frac{1}{4}\] done
clear
View Solution play_arrow
-
question_answer14)
Direction: The heights of six mountains are 8200 m, 6000 m, 8600 m, 7500 m, 8800 m and 6500 m. Based on this information, answer the questions given. |
What is the approximate average height of the mountains?
A)
\[7657\,m\] done
clear
B)
\[7600\,\,m\] done
clear
C)
\[7756\,\,m\] done
clear
D)
\[7765\,\,m\] done
clear
View Solution play_arrow
-
question_answer15)
Direction: The heights of six mountains are 8200 m, 6000 m, 8600 m, 7500 m, 8800 m and 6500 m. Based on this information, answer the questions given. |
Find the median height of the mountains.
A)
\[7850\,\,m\] done
clear
B)
\[7580\,\,m\] done
clear
C)
\[8750\,\,m\] done
clear
D)
\[5780\,\,m\] done
clear
View Solution play_arrow
-
question_answer16)
Direction: The heights of six mountains are 8200 m, 6000 m, 8600 m, 7500 m, 8800 m and 6500 m. Based on this information, answer the questions given. |
What is the mode of the heights?
A)
\[6000\] done
clear
B)
\[8800\] done
clear
C)
Does not exist done
clear
D)
\[7500\] done
clear
View Solution play_arrow
-
question_answer17)
Direction: The heights of six mountains are 8200 m, 6000 m, 8600 m, 7500 m, 8800 m and 6500 m. Based on this information, answer the questions given. |
Which of the following statements is true?
A)
The mean height of the mountains is greater than their median height. done
clear
B)
The mean height of the mountains is less than their mode. done
clear
C)
The median height of the mountains is less than their mode. done
clear
D)
The median height of the mountains is greater than their mean height. done
clear
View Solution play_arrow
-
question_answer18)
Direction: The heights of six mountains are 8200 m, 6000 m, 8600 m, 7500 m, 8800 m and 6500 m. Based on this information, answer the questions given. |
Rakesh and Sanjay planned to go trekking on any of these mountains. They wrote the heights on chits of paper, shuffled them and picked one. What is the probability that the height picked is the maximum?
A)
\[\frac{1}{3}\] done
clear
B)
\[\frac{2}{3}\] done
clear
C)
\[\frac{1}{6}\] done
clear
D)
\[\frac{1}{4}\] done
clear
View Solution play_arrow
-
question_answer19)
Direction: The ages (in years) of some teachers of a school are given in the box.
26, 32,38, 41,26, 31, 35,33,26,37 |
Based on this information, answer the following questions. |
What is the range of the ages of the teachers?
A)
15 years done
clear
B)
26 years done
clear
C)
41 years done
clear
D)
32 years done
clear
View Solution play_arrow
-
question_answer20)
Direction: The ages (in years) of some teachers of a school are given in the box.
26, 32,38, 41,26, 31, 35,33,26,37 |
Based on this information, answer the following questions. |
What is the mean age of the teachers?
A)
\[23.5\]years done
clear
B)
\[32.5\]years done
clear
C)
35 years done
clear
D)
38 years done
clear
View Solution play_arrow
-
question_answer21)
Direction: The ages (in years) of some teachers of a school are given in the box.
26, 32,38, 41,26, 31, 35,33,26,37 |
Based on this information, answer the following questions. |
What is the mode of the given data?
A)
32 years done
clear
B)
41 years done
clear
C)
26 years done
clear
D)
31 years done
clear
View Solution play_arrow
-
question_answer22)
Direction: The heights of 10 students, measured in cm are as follows:
143,132,150,139,128,135,151,146, 141, 149 |
Based on this information, answer the following questions. |
What is the height of the shortest girl?
A)
\[128\,\,cm\] done
clear
B)
\[141\,\,cm\] done
clear
C)
\[151\,\,cm\] done
clear
D)
\[150\,\,cm\] done
clear
View Solution play_arrow
-
question_answer23)
Direction: The heights of 10 students, measured in cm are as follows:
143,132,150,139,128,135,151,146, 141, 149 |
Based on this information, answer the following questions. |
What is the range of the data?
A)
\[35\,\,cm\] done
clear
B)
\[31\,\,cm\] done
clear
C)
\[23\,\,cm\] done
clear
D)
\[28\,\,cm\] done
clear
View Solution play_arrow
-
question_answer24)
Direction: The heights of 10 students, measured in cm are as follows:
143,132,150,139,128,135,151,146, 141, 149 |
Based on this information, answer the following questions. |
What is the mean height of the students?
A)
\[141.4\,\,cm\] done
clear
B)
\[141\,\,cm\] done
clear
C)
\[142\,\,cm\] done
clear
D)
\[151\,\,cm\] done
clear
View Solution play_arrow
-
question_answer25)
Direction: The heights of 10 students, measured in cm are as follows:
143,132,150,139,128,135,151,146, 141, 149 |
Based on this information, answer the following questions. |
The height of how many students is greater than the mean height?
A)
\[4\] done
clear
B)
\[3\] done
clear
C)
\[5\] done
clear
D)
\[2\] done
clear
View Solution play_arrow
-
question_answer26)
In which of these situations is a double bar graph useful?
(i) Enrolment of students I class VII in 2009 and 2010. |
(ii) Marks obtained in Term I and Term II examination. |
(iii) Marks obtained in all subjects of a term examination. |
A)
(i) and (ii) done
clear
B)
(ii) and (iii) done
clear
C)
(iii) and (i) done
clear
D)
(i) only done
clear
View Solution play_arrow
-
question_answer27)
Which of these is certain to happen?
A)
You look younger today than yesterday. done
clear
B)
You look older today than yesterday. done
clear
C)
A tossed coin will land heads up. done
clear
D)
Tomorrow will be a cloudy day. done
clear
View Solution play_arrow
-
question_answer28)
Which of these is impossible to happen?
A)
A tossed coin lands with heads up. done
clear
B)
A tossed die lands up with 4 on top. done
clear
C)
The next traffic light is red. done
clear
D)
A die thrown lands up with 7 on top. done
clear
View Solution play_arrow
-
question_answer29)
Which of these can happen but not certainly?
A)
A tossed coin lands with heads up. done
clear
B)
The sun rises in the east. done
clear
C)
A die thrown lands with 8 on the top. done
clear
D)
The Earth revolves around the Sun. done
clear
View Solution play_arrow
-
question_answer30)
Which of these is impossible?
A)
The next traffic light seen is red. done
clear
B)
A tossed die lands up with 8 on top. done
clear
C)
A flipped coin lands up with head on top. done
clear
D)
It rains tomorrow. done
clear
View Solution play_arrow
-
question_answer31)
Find the range of the data.
128,139,148,132,152,154,140,143,146,149,142 |
A)
9 done
clear
B)
26 done
clear
C)
5 done
clear
D)
24 done
clear
View Solution play_arrow
-
question_answer32)
The table shows the number of hours Pavan studies on different days of a week.
Mon | Tue | Wed | Thurs | Fri | Sat |
3 | 4 | 2 | 5 | 4 | 3 |
How many hours per day does he study on an average?
A)
\[3.5\] hours done
clear
B)
3 hours done
clear
C)
4 hours done
clear
D)
\[4.5\] hours done
clear
View Solution play_arrow
-
question_answer33)
Direction: The bar graph shows the sales of fruits and vegetables in a store in 4 hours on a certain evening.
Sales of fruits and vegetables in a store |
How many kilograms of fruits were sold during the four hours?
A)
\[120\,\,kg\] done
clear
B)
\[124\,\,kg\] done
clear
C)
\[126\,\,kg\] done
clear
D)
\[144\,\,kg\] done
clear
View Solution play_arrow
-
question_answer34)
Direction: The bar graph shows the sales of fruits and vegetables in a store in 4 hours on a certain evening.
Sales of fruits and vegetables in a store |
When was the sale of fruits lesser than that of vegetables?
A)
\[7\text{ }p.m\] done
clear
B)
\[\text{6 }p.m\] done
clear
C)
\[\text{8 }p.m\] done
clear
D)
\[\text{5 }p.m\] done
clear
View Solution play_arrow
-
question_answer35)
Direction: The bar graph shows the sales of fruits and vegetables in a store in 4 hours on a certain evening.
Sales of fruits and vegetables in a store |
During the four hours, which of the following is true about the sale of fruits and vegetables?
A)
The sale of vegetables was lesser than that of fruits. done
clear
B)
The sale of vegetables is 126 kg. done
clear
C)
The sale of fruits is 118 kg. done
clear
D)
The sale of vegetables is greater than that of fruits. done
clear
View Solution play_arrow
-
question_answer36)
The number of chapatis needed for 30 students of a class are given in the box.
2,1,2,3,3,2,2,2,4,4,3,2,3,3,2,2,2,2,3,3,2,3,2,2,2,3,3,3,3,4 |
Calculate the mode of the data.
A)
\[3\] done
clear
B)
\[2\] done
clear
C)
\[1\] done
clear
D)
\[4\] done
clear
View Solution play_arrow
-
question_answer37)
Which of the following is true?
A)
The mean of the first 5 natural numbers is the same as their median. done
clear
B)
The mean of the first 5 natural numbers is the same as the mean of the first 5 whole numbers. done
clear
C)
The median of the first 5 whole numbers is the same as the mean of the first 5 natural numbers. done
clear
D)
The mode of first 5 natural numbers is 5. done
clear
View Solution play_arrow
-
question_answer38)
What is the arithmetic mean of first five prime numbers?
A)
\[6.2\] done
clear
B)
\[5.2\] done
clear
C)
\[6.2\] done
clear
D)
\[5.6\] done
clear
View Solution play_arrow
-
question_answer39)
A comet passed by the Earth in the year 1835. It passes by the Earth every 60 years. Based on this information, in which of the following years can the comet be expected to pass by the Earth?
A)
\[2035\] done
clear
B)
\[2060\] done
clear
C)
\[2075\] done
clear
D)
\[2080\] done
clear
View Solution play_arrow
-
question_answer40)
Direction: The bargraph shows the marks obtained by four students in quarterly examination.
Whose performance was the best?
A)
Nandan done
clear
B)
Shravan done
clear
C)
Sharanya done
clear
D)
Deepa done
clear
View Solution play_arrow
-
question_answer41)
Direction: The bargraph shows the marks obtained by four students in quarterly examination.
Which two students secured equal marks?
A)
Shravan and Deepa done
clear
B)
Sharanya and Shravan done
clear
C)
Deepa and Nandan done
clear
D)
Sharanya and Deepa done
clear
View Solution play_arrow
-
question_answer42)
Direction: The bargraph shows the marks obtained by four students in quarterly examination.
Whose performance was the worst?
A)
Sharanya done
clear
B)
Deepa done
clear
C)
Shravan done
clear
D)
Nandan done
clear
View Solution play_arrow
-
question_answer43)
Direction: The pie-chart depicts the results of a survey conducted to identify the favourite juice of some students.
How many students like other juices if the total number of students is 360?
A)
70 done
clear
B)
80 done
clear
C)
65 done
clear
D)
60 done
clear
View Solution play_arrow
-
question_answer44)
Direction: The pie-chart depicts the results of a survey conducted to identify the favourite juice of some students.
How many students like orange juice, if the strength of the school is 720?
A)
150 done
clear
B)
360 done
clear
C)
180 done
clear
D)
240 done
clear
View Solution play_arrow