NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 398 - 403 of 425

Access detailed explanations (illustrated with images and videos) to 425 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 300.00 or

How to register?

Question number: 398

» Number Systems

Edit
MCQ▾

Question

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 number: 399

» Ratio and Proportion

Edit
MCQ▾

Question

A, B and C are employed to do a work for Rs. 2565. A and C together finished of the work and B and C together finished of the work. Wage of C (In Rs) is

Choices

Choice (4)Response

a.

750

b.

500

c.

600

d.

810

Question number: 400

» Decimals & Fractions

Edit
MCQ▾

Question

LCM of , and is

Choices

Choice (4)Response

a.

210

b.

220

c.

420

d.

840

Question number: 401

» Ratio and Proportion

Edit
MCQ▾

Question

A, B and C are employed to do a work for Rs. 8000. A and C together finished of the work and B and C together finished of the work. Wage of C (In Rs) is

Choices

Choice (4)Response

a.

3200

b.

5600

c.

1500

d.

900

Question number: 402

» Average

Edit
MCQ▾

Question

The average marks of 50 students in a test is 80. Later it is found that three marks 60,70 & 80 were wrongly entered as 62,72 & 82. The average marks after mistakes were rectified is

Choices

Choice (4)Response

a.

b.

c.

71.6

d.

79.98

Question number: 403

» Percentage

Edit
MCQ▾

Question

A man bought a second-hand typewriter for Rs. 1000 and spent Rs. 600 on its repairs. He sold it for Rs. 2000. His profit percent is

Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: