1) HCF of two numbers is 11 and their LCM is 6600. If one of these number is 275, then other one is

a)275

b) 283

c) 264

d) 318

c

2) The LCM of two numbers is 45 times of their HCF . If one of the no’s is 125 and sum of HCF & LCM is 1150, the other no. is

a) 225

b) 235

c) 215

d) 6

e) None

a

3) The greatest no. that will divide 187 , 233 and 279 leaving the same remainder in each case is

a) 24

b) 23

c) 21

d) 46

e) None

d

4) The smallest no. which when diminished by 3 is divisible by 21 , 28 , 36 and 45 is

a) 423

b) 1257

c) 1263

d) 1260

c

5) What is the least no. which when divided by 8 , 9 , 12 , 15 leaves the same remainder 1 in each case.

a) 179

b) 181

c) 359

d) 361

d

6) The least no. which when divided by 18 , 27 , 36 leaves the remainder 5 , 14 & 23 respectively is

a) 95

b) 113

c) 149

d)77

a

7) The least no. which when divided by 5 , 6 , 8 , 9 and 12 leaves a remainder 1 in each case, but when divided by 13 leaves no remainder is:

a) 361

b) 721

c) 1801

d) 3601

d

8) The least no. by which 72 must be multiplied in order to produce a multiple of 112 is

a)14

b)6

c)12

d)18

a

9) A no. which when divided by 119 leaves remainder 19. If the same number is divided by 17, the remainder will be

a) 19

b) 10

c) 7

d) 2

d

10) Find the least no. which when divided by 35 leaves remainder 20, when divided by 45 leaves remainder 30, and when divided by 55 leaves remainder 40

a ) 2475

b)3450

c) 9000

d)None

b