51)

The HCF of three numbers 72, 108 and 2010 is:

SSC CGL 2022

A)

12

B)

6

C)

18

D)

5

52)

If the number 6788934a4 is divisible by 11, then find the smallest whole number in the place of a.

SSC CGL 2022

A)

5

B)

4

C)

3

D)

2

53)

Choose the option in which the numbers are in correct ascending order.

SSC CGL 2022

A)

\({4 \over 5},{2 \over 3},{1 \over 11} and {2 \over 9}\).

B)

\({1 \over 11},{2 \over 9},{2 \over 3} and {4 \over 5}\)

C)

\({2 \over 9},{1 \over 11},{4 \over 5} and {2 \over 3}\)

D)

\({2 \over 3},{4 \over 5},{1 \over 11} and {2 \over 9}\)

54)

The HCF of two numbers is 17 and the other two factors of their LCM are 11 and 19. The smaller of the two numbers is:

SSC CGL 2022

A)

323

B)

187

C)

209

D)

306

55)

When m¹² - 1 is divided by m + 1, the remainder is:

SSC CGL 2022

A)

0

B)

2

C)

1

D)

-1

56)

Determine the LCM of two numbers if their HCF is 9 and their ratio is 14 : 19.

SSC CGL 2022

A)

1596

B)

3990

C)

2394

D)

3192

57)

The HCF of two numbers is 21 and their LCM is 840. If one of the numbers is 147, then the other number is:

SSC CGL 2022

A)

810

B)

540

C)

650

D)

120

58)

The least number that should be added to 35460 so that the sum is exactly divisible by 3, 4, 5 and 7 is:

SSC CGL 2022

A)

240

B)

420

C)

84

D)

180

59)

The LCM of 1.2 and 2.7 is:

SSC CGL 2022

A)

1.08

B)

10.8

C)

5.4

D)

32.4

60)

Any six-digit number that is formed by repeating a three-digit number, is always divisible by:

SSC CGL 2022

A)

19

B)

1001

C)

111

D)

101