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##### objective Ques (160 results)
21)

If $$x=(164)^{169}+(333)^{337}$$$$-(727)^{726}$$, then what is the unit's digit of x ?

SSC CGL 2019
A)

5

B)

7

C)

8

D)

9

22)

Let x be the least number which when divided by 15, 18, 20 and 27, the remainder in each case is 10 and x is a multiple of 31. What least number should be added to x to make it a perfect square?

SSC CGL 2019
A)

39

B)

37

C)

43

D)

36

23)

When a two-digit number is multiplied by the sum of its digits, the product is 424. When the number obtained by interchanging its digits is multiplied by the sum of the digits, the result is 280. The sum of the digits of the given number is:

SSC CGL 2019
A)

6

B)

9

C)

8

D)

7

24)

If $$\sqrt{10-2\sqrt{21}}$$$$+\sqrt{8+2\sqrt{15}}$$$$=\sqrt a+\sqrt b$$, where a and b are positive integers, then the value of $$\sqrt{ab}$$ is closest to :

SSC CGL 2019
A)

4.6

B)

5.9

C)

6.8

D)

7.2

25)

When 2 is subtracted from each of the given n numbers, then the sum of the numbers so obtained is 102. When 5 is subtracted from each of them, then the sum of the numbers so obtained is 12. What is the average of the given n numbers?

SSC CGL 2020
A)

5.8

B)

5.4

C)

6.6

D)

6.2

26)

If integer n is divided by 5, the remainder is 2. What will be the remainder if 7n is divided by 5?

SSC CGL 2020
A)

1

B)

3

C)

2

D)

4

27)

The greatest digit which may replace * in the number 1190*6 to make the number divisible by 9 is :

SSC CGL 2020
A)

0

B)

1

C)

3

D)

9

28)

What is the remainder when we divide $$5^{70}+7^{70}$$ by 74 ?

SSC CGL 2020
A)

7

B)

1

C)

5

D)

0

29)

If a positive integer n is divided by 7 the remainder is 2. Which of the following numbers gives a remainder of 0 when divided by 7?

SSC CGL 2020
A)

n + 5

B)

n - 5

C)

n + 2

D)

n + 1

30)

If the given number 925x85 is divisible by 11, then the smallest value of x is:

SSC CGL 2020
A)

1

B)

2

C)

3

D)

4

showing 21 - 30 results of 160 results