A. 35

**B. 37**

C. 42

D. 30

Read more

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

## Find the size of the largest square slabs which can be paved on the floor of a room 5 meters 44 cm long and 3 meters 74 cm broad?

A. 56

B. 42

C. 38

**D. 34**

Read more

## Find the H.C.F of 12, 16, 18 and 24?

A. 1

**B. 2**

C. 3

D. 4

## There are four prime numbers written in ascending order of magnitude. The product of the first three is 385 and of the last three is 1001. Find the fourth number?

**A. 5**

B. 7

C. 11

D. 13

## Find the least multiple of 13 which when divided by 6, 8 and 12 leaves 5, 7 and 11 as remainders respectively? A. 143 B. 169 C. 260 D. 221

**A. 143**

B. 169

C. 260

D. 221

## Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together?

**A. 5 min**

B. 5.5 min

C. 5.2 min

D. None

## 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 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**

Read more

## The H.C.F of two numbers is 11 and their L.C.M is 7700. If one of the numbers is 275, then the other is__________?

A. 279

B. 283

**C. 308**

D. 318

Read more

## Find the least number which when divided by 6, 7, 8, 9 and 10 leaves 1, 2, 3, 4 and 5 as remainders respectively, but when divided by 19 leaves no remainder?

A. 5073

B. 5016

C. 5054

**D. 5035**