Question

HOTs no. 1 and 2 needed ​

Answer 1

❏QuesTion :-

If 8 labourers can earn ₹9000 in 15 days ,how many labourers can earn ₹6300 in 7 days?

❏Answer :-

→ 12 labourers can earn ₹6300 in 7 days .

❏To Find :-

→ Number of labourers who can earn ₹6300 in 7 days .

❏SoluTion :-

According to the question,

8 labourers can earn ₹9000 in 15 days ,

then ,

$\sf \: 1 \: labourer \: can \: earn \: in \: one \: day \: \: \: \: \: \: \: \\ \: \: \: = \frac{9000}{8 \times 15} \\ \: \: \: = \frac{9000}{120} \\ \: \: \: = 75 \: \\ \\ \bf therefore \\ \sf \: they \: would \: take \: \frac{6300}{75} \: to \: earn \: Rs.6300 \\ \: \: \: = \frac{6300}{75} = 84 \: \\ \\ \sf \: hence \\ \\ \implies \sf \: for \: 7 \: days \: , \: number \: of \: labourers \: \\ \: \: \: \: \: = \frac{84}{7} = 12$

Hence , 12 labourers can earn ₹6300 in 7 days .