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Problems on H.C.F and L.C.M

Problems on H.C.F and L.C.M
Reduce 391/667 to lowest terms .

23/37
31/45
11/13
17/29

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

H.C.F. of 391 and 667 is 23.On dividing the numerator and denominator by 23, we get :391 = 391 ¸23 = 17667    667¸ 23    29

Problems on H.C.F and L.C.M
Find the least number of five digits which is exactly divisible by 12, 15 and 18?

11080
10025
10080
1080

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
The HCF of 2 numbers is 11 and LCM is 693.If one of numbers is 77.find the other number ?

100
99
98
97

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Product of two numbers= HCF x  LCM                        77 x a = 11 x 693Other number a  = (11×693)/77 = 99.

Problems on H.C.F and L.C.M
Product of two co-prime numbers is 117. Their L.C.M should be:

117
1
F
equal to their H.
Cannot be calculated

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
What is the lowest common multiple of 12, 36 and 40?

380
240
260
360

ANSWER DOWNLOAD EXAMIANS APP

Problems on H.C.F and L.C.M
Three men start together to travel the same way around a circular track of 11 kilometers in circumference. Their speeds are 4, 5 and 8 kilometers per hour respectively. When will they meet at a starti

12 hours
22 hours
220 hours
11 hours

ANSWER DOWNLOAD EXAMIANS APP
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