March 14, 2024 |
Vishwas borrowed a total amount of Rs.
30,000 part of it on simple interest, rate of
12 p.c.p.a. and remaining on simple interest
rate of 10 p.c.p.a. If at the end of 2 years he
paid in all Rs. 36,480 to settle the loan
amount, what was the amount borrowed
at 12 p.c.p.a.?
A
Rs. 16000
B Rs. 18000
C Rs. 17500
D Rs. 12000
Correct answer is: Rs. 12000
Explanation:
Let the sum borrowed at 12% p.a. be Rs. x
and that borrowed at 10% p.a. be Rs. (30000 - x)
S.I. at the end of 2 years
= Rs. (36480 - 30000)
= Rs. 6480
∴ ( x × 12 × 2 100 ) + [ ( 30000 − x ) × 10 × 2 100 ] = 6480 ⇔ 24 x + 600000 − 20 x = 648000 ⇔ 4 x = 48000 ⇔ x = 12000.
upendra ? answered undefined replay
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