21)

The greatest number that divides 126, 224 and 608 leaving remainders 2, 7 and 19, respectively, is:

SSC CGL 2022

A)

31

B)

27

C)

37

D)

21

22)

The average of eight consecutive odd number is 28. The sum of the smallest and the largest number is:

SSC CGL 2022

A)

48

B)

52

C)

45

D)

56

23)

What is the greatest four-digit number which on being divided by 6, 7 and 8 leaves 4, 5 and 6 as remainders, respectively?

SSC CGL 2022

A)

9921

B)

9920

C)

9910

D)

9912

24)

If a nine digit number 468x5138y is divisible by 72, then the value of \( \sqrt {4x + 3y}\) is:

SSC CGL 2022

A)

12

B)

9

C)

8

D)

6

25)

LCM of two number is 22 times their HCF. If one of the numbers is 132 and the sum of LCM and HCF is 276, then what is the other number?

SSC CGL 2022

A)

25

B)

30

C)

24

D)

20

26)

The average of a set of 18 consecutive integers is 22.5. What is the largest integer in the set?

SSC CGL 2022

A)

31

B)

13

C)

14

D)

17

27)

A number 'n' when divided by 6 leaves remainder 2. What will be the remainder when (n² + n + 2) is divided by 6?

SSC CGL 2022

A)

0

B)

6

C)

4

D)

2

28)

If each of the two numbers 5¹⁶ and 5²⁵ are divided by 6, the remainders are R₁ and R₂ respectively. What is the value of \(\frac{{{{\rm{R}}_{\rm{1}}}{\rm{ + }}{{\rm{R}}_{\rm{2}}}}}{{{{\rm{R}}_{\rm{2}}}}}\)?

SSC CGL 2022

A)

1/6

B)

6/5

C)

5/6

D)

1/5

29)

Three numbers are in the proportion of 3 : 8 : 15 and their LCM is 8280. What is their HCF?

SSC CGL 2022

A)

57

B)

60

C)

75

D)

69

30)

What is the LCM of 3.6, 1.8 and 0.144?

SSC CGL 2022

A)

3600

B)

36

C)

3.6

D)

360