Number Systems [NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics]: Questions 19 - 25 of 87

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Question 19

Number Systems
Edit

Question

MCQ▾

The least number, which must be added to 1345 to make it exactly divisible by 13, is

Choices

Choice (4)Response

a.

4

b.

7

c.

6

d.

2

Question 20

Number Systems
Edit

Question

MCQ▾

What should come in place of the question mark (? ) in the following number series?

Choices

Choice (4)Response

a.

96

b.

142

c.

403

d.

124

Question 21

Number Systems
Edit

Question

MCQ▾

The difference of two numbers is 2500. On dividing the larger number by the smaller, we get 3 as quotient and 30 as remainder. The larger number is

Choices

Choice (4)Response

a.

3735

b.

3790

c.

2000

d.

3395

Question 22

Number Systems
Edit

Question

MCQ▾

A number of boys raised Rs. 225 for a famine relief fund, each boy giving as many 25 paise coins as there were boys. The number of boys was (Paper- I)

Choices

Choice (4)Response

a.

15

b.

30

c.

40

d.

35

Question 23

Number Systems
Edit

Question

MCQ▾

The greatest number that divides 684 and 821 leaving remainders respectively 4 and 5 is

Choices

Choice (4)Response

a.

156

b.

136

c.

122

d.

163

Question 24

Number Systems
Edit

Question

MCQ▾

In four consecutive prime numbers that are in descending order, the product of first three is 385 and that of the last three is 105. The largest given prime number is

Choices

Choice (4)Response

a.

7

b.

11

c.

2

d.

5

Question 25

Number Systems
Edit

Question

MCQ▾

What is the largest 3 digit number exactly divisible by 23? (Paper-1)

Choices

Choice (4)Response

a.

998

b.

899

c.

988

d.

989