A, B and C together can earn Rs. 300 per day, while A and C together can earn Rs. 188 and B and C together can earn Rs. 152. Find the daily earning of C. MCQ with Answer and Explanation

A, B and C together can earn Rs. 300 per day, while A and C together can earn Rs. 188 and B and C together can earn Rs. 152. Find the daily earning of C.
A. Rs. 60
B. Rs. 112
C. Rs. 40
D. Rs. 50
Answer: Option C
Solution (By JKSSB Mock Tests)
Given: A + B + C = 300, A + C = 188, B + C = 152. Substitute A + C in the first equation: 188 + B = 300 => B = 112. Now substitute B in B + C = 152: 112 + C = 152 => C = 40. Thus, C's earning is Rs. 40.

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Practice More Time and Work Questions

Question #1
A can complete a work in 20 days and B can complete the same work in 20 days. If they work together, in how many days will the work be completed?
A. 12.0
B. 16.0
C. 14.0
D. 10.0

Correct Answer: Option D


Explanation:
Combined rate = 1/20 + 1/20. Time = 1 ÷ combined rate = 10.0 days.

This question belongs to: Maths Time and Work
Question #2
31 men can complete a work in 29 days. If 39 men work at the same rate, how many days are required?
A. 23.05
B. 25.55
C. 30.55
D. 28.05

Correct Answer: Option A


Explanation:
Total work = 899 man-days. Days = 23.05.

This question belongs to: Maths Time and Work
Question #3
A can complete a work in 24 days and B in 29 days. If they work together, the work will be completed in:
A. 23.13
B. 13.13
C. 28.13
D. 18.13

Correct Answer: Option B


Explanation:
Combined rate = 1/24 + 1/29. Required time = 13.13 days.

This question belongs to: Maths Time and Work