Question

6. If 3 men with 4 boys can earn Rs.210 in
days and 11 men with 13 boys can eari
Rs.810 on 8 days in what time will men with
days earn Rs.1100?

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Answer 1

Answer:

3 men+4 boys) can earn Rs.(210+7), i.e., Rs.30.00 in one day. And (11 men+13 boys) can earn Rs.(830÷8), i.e., Rs.103.75 in one day. Find out the earning of 1 man and 1 boy and then proceed.

3m+4b

11m+13b

=30.00

=103.75

}⇒1m=5,1b=3.75

Wages for 7m+9b=7×5+9×3.75=Rs.68.75 per day

∴ No. of required days =Rs.1100+Rs.68.75=16