31)

The sum of the squares of 3 natural numbers is 1029, and they are in the proportion 1 : 2 : 4. The difference between greatest number and smallest number is:

SSC CGL 2020

A)

21

B)

15

C)

18

D)

31

32)

What is the smallest integer that is divisible by 3, 7 and 18?

SSC CGL 2020

A)

72

B)

126

C)

252

D)

63

33)

The largest number which should replace * in the number 2365*4 to make the number divisible by 4 is:

SSC CGL 2020

A)

8

B)

9

C)

2

D)

0

34)

If the number 687x29 is divisible by 9, then the value of 2x is:

SSC CGL 2020

A)

4

B)

8

C)

2

D)

3

35)

If ‘+’ means ‘-’, ‘-’ means ‘+’, ‘\(\times\)’ means ‘\(\div\) ’ and ‘\(\div\) ’ means ‘\(\times\)’, then the value of \({(30\times5)+(84\times6)\div5\over[{2\over3}\div18]-(4\div2)}\) is:

SSC CGL 2020

A)

2

B)

1

C)

-2

D)

-1

36)

The greatest number which should replace '*’ in the number 146*48 to make it divisible by 8 is:

SSC CGL 2020

A)

0

B)

8

C)

9

D)

2

37)

When a number is divided by 56, the remainder will be 29. If the same number is divided by 8, then the remainder will be

SSC CGL 2016

A)

When a number is divided by 56, the remainder will be 29. If the same number is divided by 8, then the remainder will be

B)

5

C)

10

D)

15

E)

20

38)

A certain value of x is added to each of 10, 16, 22 and 32, such that the numbers so obtained in this order are in proportion? What is the mean proportional between the numbers (x + 1) and (3x + 1)?

SSC CGL 2020

A)

12

B)

10

C)

9

D)

15

39)

When a positive integer is divided by d, the remainder is 15. When ten times of the same number is divided by d. the remainder is 6. The least possible value of d is:

SSC CGL 2020

A)

12

B)

16

C)

18

D)

9

40)

If the nine-digit number 708x6y8z9 is divisible by 99, then what is the value of (x + y + z) ?

SSC CGL 2020

A)

5

B)

16

C)

9

D)

27