question_answer

Bachhu Manjhi earns 24000 in 8 months. At this rate.

(a) how much does he earn in one year?

(b) in how many months does he earn? 42000?

Answer:

(a) Bachhu Manjhi in 8 months earns

\[=Rs.\text{ }24000\]

Bachhu Manjhi in 1 months earns

\[=Rs.\text{ }\frac{24000}{8}\]

\[=\,Rs.\,~3000\]

Bachhu Manjhi in 1 year earns \[=Rs.\text{ }3000\times 12\]

\[=Rs.\text{ }36000\]      [1 year = 12 months]

(b) Bachhu Manjhi in 1 month earns \[=Rs.\text{ }3000\]

Months took to earn \[Rs.\text{ }42000=\frac{Rs.\,42000}{3000}\]

= 14 months

Bachhu Manjhi in 14 months earns \[=Rs.\text{ }42000\]