17 men can complete a work in 27 days. If 21 men work at the same rate, in how many days will the work be completed? MCQ with Answer and Explanation

Question

Share Report Error

17 men can complete a work in 27 days. If 21 men work at the same rate, in how many days will the work be completed?

A. 25.86

B. 23.86

C. 27.86

D. 21.86

Answer: Option D

Solution (By JKSSB Mock Tests)

Total work = 17 × 27 = 459 man-days. Required days = 459/21 = 21.86 days.

This question belongs to: Maths Time and Work

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Time and Work Questions

Question #1

Share Report

A can complete a work in 12 days and B in 14 days. If they work together, the work will be completed in:

A. 21.46

B. 11.46

C. 6.46

D. 16.46

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Combined rate = 1/12 + 1/14. Required time = 6.46 days.

This question belongs to: Maths Time and Work

Question #2

Share Report

18 men can complete a work in 16 days. If 22 men work at the same rate, in how many days will the work be completed?

A. 13.09

B. 17.09

C. 19.09

D. 15.09

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Total work = 18 × 16 = 288 man-days. Required days = 288/22 = 13.09 days.

This question belongs to: Maths Time and Work

Question #3

Share Report

A can complete a work in 18 days and B in 27 days. If they work together, the work will be completed in:

A. 25.8

B. 20.8

C. 15.8

D. 10.8

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Combined rate = 1/18 + 1/27. Required time = 10.8 days.

This question belongs to: Maths Time and Work

Explore All Time and Work MCQs