RRB Junior Engineer Stage 1 Model Papers 2

Question : 8 of 99

Marks: +1, -0

X borrowed some money from a source at 8% simple interest and lent it to Y at 12% simple interest on the same day and gained ₹ 4,800 after 3 years. The amount X borrowed, in ₹, is

42,000
60,000
1,20,000
40,000

Validate

Solution:

Let X borrow ₹ P
He has to return total amount,

A=P+{P×8×3}/100

Total amount x get from y,

A'=P+{P×12×3}/100

According to question

A'-A=4800

(p+{36P}/100)-(p+{24P}/100)=4800

{12P}/100=4848

=P={4800×100}/12=40,000

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