UGC NET Paper 1 GA 5 Jan 2022 Shift 1 Paper

Question : 34 of 50

Marks: +1, -0

Gopal can do a piece of work in 3 days while Ravi can do the same work in 4 days. The wage for the full work is Rs. 3500/-. If they both work together to complete the work then find the earnings of Ravi?

1300
1500
1600
1650

Validate

Solution:

Gopal's 1 day's work

=1 \/ 3

Ravi's 1 day's work

=1 \/ 4

Gopal's : Ravi's

=\;{1}/{3}: \;{1}/{4}

making denominator same, we get
Gopal's : Ravi's work

=\;{4}/{12}: \;{3}/{12}=4: 3

Ravi's share

=(3 \/ 7) × 3500=1500

Hence, the correct answer is

{R}

s. 1500

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