question_answer1) Which of the following statements is correct?
A) Every prime number is odd. done clear
B) Every even number is composite. done clear
C) The sum of two odd numbers is always odd, done clear
D) The HCF of two given numbers is always a factor of their LCM done clear
View Solution play_arrowquestion_answer2) Find the number of multiples of 5.
A) 100 done clear
B) 600 done clear
C) 700 done clear
D) infinite done clear
View Solution play_arrowquestion_answer3) How many prime numbers are there "between 1 to 100"?
A) 25 done clear
B) 24 done clear
C) 30 done clear
D) 60 done clear
View Solution play_arrowquestion_answer4) Which of the following is a perfect square?
A) 28 done clear
B) 26 done clear
C) 25 done clear
D) 2.4 done clear
View Solution play_arrowquestion_answer5) What is the HCF of two prime numbers?
A) 2 done clear
B) 1 done clear
C) 40 done clear
D) None of these done clear
View Solution play_arrowquestion_answer6) What is the LCM of 36, 75 and 80?
A) 3600 done clear
B) 3500 done clear
C) 3400 done clear
D) 3000 done clear
View Solution play_arrowquestion_answer7) Product of two numbers = ___________
A) \[LCM\times ~HCF\] done clear
B) \[First\text{ }No.\times Second\text{ }No.\] done clear
C) \[1\] done clear
D) None of these done clear
View Solution play_arrowquestion_answer8) The sum of the factors of 25 is
A) 7 done clear
B) 6 done clear
C) 31 done clear
D) 26 done clear
View Solution play_arrowquestion_answer9) A number is divisible by 24 if ___________
A) It is divisible by 6 and 4 both done clear
B) It is divisible by 8 and 3 both done clear
C) It is divisible by 12 and 2 both done clear
D) All of these done clear
View Solution play_arrowquestion_answer10) Prime factorization of\[512\times 343\]
A) \[{{2}^{9}}\times {{7}^{3}}\] done clear
B) \[{{2}^{4}}\times {{3}^{2}}\] done clear
C) \[{{2}^{4}}\times {{3}^{2}}\] done clear
D) None of these done clear
View Solution play_arrowA) 100200 done clear
B) 100800 done clear
C) 240800 done clear
D) 260040 done clear
View Solution play_arrowA) \[\frac{13}{7}\] done clear
B) \[\frac{14}{7}\] done clear
C) \[a\frac{27}{13}\] done clear
D) None of these done clear
View Solution play_arrowquestion_answer13) \[\frac{182}{195}\]when reduced to the lowest term is
A) \[\frac{13}{15}\] done clear
B) \[\frac{14}{15}\] done clear
C) \[\frac{13}{14}\] done clear
D) \[\frac{12}{13}\] done clear
View Solution play_arrowquestion_answer14) Which of the following pair is co-prime?
A) 81, 135 done clear
B) 87, 116 done clear
C) 43, 73 done clear
D) 26, 65 done clear
View Solution play_arrowquestion_answer15) Find the number of factors of 1024
A) 11 done clear
B) 12 done clear
C) 13 done clear
D) 14 done clear
View Solution play_arrowA) 1 done clear
B) 2 done clear
C) 0 done clear
D) None of these done clear
View Solution play_arrowA) 607 done clear
B) 608 done clear
C) 609 done clear
D) 610 done clear
View Solution play_arrowI. U is always divisible by 4 |
II. U is never divisible by 8 |
A) Only I done clear
B) Only II done clear
C) Both I and II done clear
D) neither I nor II done clear
View Solution play_arrowA) \[\frac{11}{25}\] done clear
B) \[\frac{23}{27}\] done clear
C) \[\frac{47}{49}\] done clear
D) \[\frac{37}{43}\] done clear
View Solution play_arrowA) 24 done clear
B) 20 done clear
C) 30 done clear
D) 40 done clear
View Solution play_arrowquestion_answer21) H.C.F of two numbers is 16, then their LCM is
A) 162 done clear
B) 167 done clear
C) 192 done clear
D) 197 done clear
View Solution play_arrowA) 65583 and 65637 done clear
B) 78424 and 74286 done clear
C) 74053 and 732404 done clear
D) 72854 and 65342 done clear
View Solution play_arrowA) \[120\] done clear
B) \[180\] done clear
C) \[140\] done clear
D) \[170\] done clear
View Solution play_arrowA) 1 : 00 PM done clear
B) 12 : 00 Noon done clear
C) 7 : 00 PM done clear
D) 11 : 30 PM done clear
View Solution play_arrowA) 1 done clear
B) 3 done clear
C) 4 done clear
D) 9 done clear
View Solution play_arrowquestion_answer26) What is the HCF of two consecutive numbers?
A) 3 done clear
B) 1 done clear
C) 4 done clear
D) 2 done clear
View Solution play_arrowA) 283 done clear
B) 78 done clear
C) 578 done clear
D) 57 done clear
View Solution play_arrowA) 6 done clear
B) 36 done clear
C) 2 done clear
D) 3 done clear
View Solution play_arrowquestion_answer29) M and N are two co-primes. Which of the following is / are true?
A) \[LCM(M,\,\,N)=M\times N\] done clear
B) \[HCF(M,\,\,N)=1\] done clear
C) Both (A) and (B) done clear
D) Neither (A) nor (B) done clear
View Solution play_arrowquestion_answer30) Which of the following series is in descending order?
A) \[\frac{1}{3},\frac{2}{3},\frac{3}{5},\frac{1}{3}\] done clear
B) \[\frac{2}{3},\frac{3}{5},\frac{3}{8},\frac{1}{3}\] done clear
C) \[\frac{1}{3},\frac{3}{8},\frac{3}{5},\frac{2}{3}\] done clear
D) \[\frac{2}{3},\frac{1}{3},\frac{3}{8},\frac{3}{5}\] done clear
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