NIFT UG 2020 Question Paper with solutions

Question : 4 of 150

Marks: +1, -0

If a man earns

₹ 2000

for his first

50 {h}

of work in a week and is then paid one and one half times his regular hourly rate for any additional hours, then the hours must he work to make

₹ 2300

in a week is

Solution:

Rate of earning of the man

=\;{2000}/{50}=₹ 40

per hour
Rate of earning for additional hours

=40 × \;{3}/{2}=₹ 60

per hour
Let the man has to work for

n

additional hours. Then.

2000+n × 60=2300

⇒ \;\; n × 60=300 ⇒ n=5 {h}

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