question_answer1) How many centimetre make a kilometre?
View Answer play_arrowquestion_answer2) The product of a non-zero whole number and its successor is always:
an even number |
an odd number |
a prime number |
divisible by 3 |
question_answer3) Can two numbers have 18 as their HCF and 162 as their LCM? Give reasons.
View Answer play_arrowState the mid points of all the sides of Fig. |
question_answer5) How many edges, faces and vertices are there in a sphere?
View Answer play_arrowRepresent the following numbers as integers with appropriate signs. |
(a) An aeroplane is flying at a height of two thousand metre above the ground. |
(b) A submarine is moving at a depth, eight hundred metre below the sea level. |
(c) A deposit of rupees two hundred. |
(d) Withdrawal of rupees seven hundred. |
Give a proper fraction: |
(a) Whose numerator is 5 and denominator is 7. |
(b) Whose denominator is 9 and numerator is 5. |
(c) Whose numerator and denominator add up to 10. How many fractions of this kind can you make? |
(d) Whose denominator is 4 more than the numerator. Give any five. How many more can you make? |
Express as km using decimals: |
(a) 8m |
(b) 88 m |
(c) 8888 m |
(d) 70 km 5 m |
Following pictograph shows the number of tractors in five villages. |
Observe the pictograph and answer the following questions: |
(i) Which village has the minimum number of tractors? |
(ii) Which village has the maximum number of tractors? |
(iii) How many more tractors village C has as compared to village B? |
(iv) What is the total no. of factors in all the 5 villages? |
Sunita is half the age of her mother Geeta. Find their ages |
(i) after 4 years? |
(ii) before 3 years? |
Find the ratio of the following: |
(a) 30 minutes to \[1.5\]hours |
(b) 40 cm to \[1.5\,m\] |
(c) 55 paise to Rs. 1 |
(d) 500 ml to 2 litres |
Name of the tool | Number of lines of symmetry |
(i) Ruler | .......................... |
(ii) Divider | .......................... |
(iii) Compasses | .......................... |
(iv) Protractor | .......................... |
(v) Triangular piece with two equal sides | .......................... |
(vi) Triangular piece with unequal sides | .......................... |
question_answer15) Find two numbers, whose sum is 100 and whose ratio is 9:16.
View Answer play_arrow1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 0, 1, 1, 2, 3, 1, 2, 1, 1, 2, 1, |
2, 3, 1, 0, 2, 1, 0, 2, 1, 2, 1, 2, 1, 1, 4, 1, 3, 1, 1, 2, 1, |
1, 1, 1, 2, 3, 2, 1, 1 |
Between which two numbers in tenths place on the number line does each of the given number lie? |
(a) \[0.06\] |
(b) \[0.45\] |
(c) \[0.9\] |
(d) \[0.66\] |
(e) \[0.92\] |
(f) \[0.57\] |
Find the value of: |
(a) \[\text{(}7\text{)}8(25)\] |
(b) \[\text{(}13)+3281\] |
(c) \[(-7)+(-8)+(-90)\] |
(d) \[50-(-40)-(-2)\] |
Draw the following and check the angle with your RA tester. |
(a) going from 12 to 2 |
(b) from 6 to 7 |
(c) from 4 to 8 |
(d) from 2 to 5 |
Write the name of: |
(a) vertices |
(b) edges and |
(c) faces of the prism shown in Fig. |
Name the points and then the line segments in each of the following figures (i ? iv) |
(i) |
(ii) |
(iii) |
(iv) |
Estimate each of the following products by rounding off each number of nearest tens: |
(a) \[87\times 32\] |
(b) \[311\times 113\] |
(c) \[3239\times 28\] |
(d) \[1385\times 789\] |
The area of each square on a chess board is 4 sq cm. Find the area of the board. |
(a) At the beginning of game when all the chess men are put on the board, write area of the squares left unoccupied. |
(b) Find the area of the squares occupied by chess men. |
Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of |
(a) men to that of women. |
(b) men to the total number of persons. |
(c) women to the total number of persons |
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