A. 3600
B. 504
C. 441
D. 7056
Problems on L.C.M and H.C.F
HCF of 3/16, 5/12, 7/8 is__________?
A. 2/47
B. 3/47
C. 1/48
D. 5/48
Read more
The wheels revolve round a common horizontal axis. They make 15, 20 and 48 revolutions in a minute respectively. Starting with a certain point on the circumference down wards. After what interval of time will they come together in the same position?
A. 1 min
B. 2 min
C. 3 min
D. None
Read more
The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 10, then their difference is__________?
A. 10
B. 46
C. 70
D. 90
Read more
Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is________?
A. 75
B. 81
C. 85
D. 89
Read more
The least number which when add 3 to it, completely divided 8, 12 and 18 is_______?
A. 71
B. 70
C. 69
D. 68
Read more
The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is________?
A. 1994
B. 1494
C. 1349
D. 1496
Read more
The least number which when divided by 8, 12 and 16, leave in each remainder 3, is_______?
A. 71
B. 70
C. 69
D. 51
Read more
LCM of 18 and 27 is_________?
A. 85
B. 89
C. 54
D. 91
Which of the following fractions is the largest?
A. 7/8
B. 13/16
C. 31/40
D. 63/80
Read more
