Basic LCM and HCF MCQs with Answers for mathematics test preparation of all classes and one paper test paper.
LCM and HCF MCQs
Find the lowest common multiple of 24, 36 and 40.
A. 120
B. 240
C. 360
D. 480
H.C.F of 4 * 27 * 3125, 8 * 9 * 25 * 7 and 16 * 81 * 5 * 11 * 49 is ______?
A. 180
B. 360
C. 540
D. 1260
Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are _______?
A. 4, 8, 12
B. 5, 10, 15
C. 10, 20, 30
D. 12, 24, 36
The ratio of numbers is 3:4 and their H.C.F is 4. Their L.C.M is _____?
A. 12
B. 16
C. 24
D. 48
Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?
A. 344
B. 355
C. 366
D. 377
Find the greatest 4-digit number exactly divisible by 3, 4 and 5?
A. 9985
B. 9960
C. 9957
D. 9975
Find the lowest 4-digit number which when divided by 3, 4 or 5 leaves a remainder of 2 in each case?
A. 1020
B. 1026
C. 1030
D. 1022
Find the greatest number that exactly divides 35, 91 and 840?
A. 5
B. 6
C. 7
D. 8
Find the greatest number which, while dividing 19, 83 and 67, gives a remainder of 3 in each case?
A. 16
B. 17
C. 18
D. 19
Find the greatest number that, while dividing 47, 215 and 365, gives the same remainder in each case?
A. 3
B. 4
C. 5
D. 6
252 can be expressed as a product of primes as ____?
A. 2 * 2 * 3 * 3 * 7
B. 2 * 2 * 2 * 3 * 7
C. 3 * 3 * 3 * 3 * 7
D. 2 * 3 * 3 * 3 * 7
Which of the following has most number of divisors?
A. 99
B. 101
C. 176
D. 182
