Bachhu Manjhi earns Rs 24000 in 8 months. At this rate,
a) how much does he earn in one year?
b) in how many months does he earn Rs 42000?
Earning of Bachhu Manjhi in 8 months = Rs. 24,000
Earning of Bachhu Manjhi in 1 months = 
= Rs. 3,000
a) Earning of Bachhu Manjhi in one year = 3000× 12 = Rs. 36,000 (∵ 1 year = 12 months)
b) Let after ‘x’ months he will earn 42,000
Earning of Bachhu Manjhi in x months = 3000x
3000x=42000
Hence, after 14 months Bachhu Manjhi will earn 42,000
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