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  1. A sum of Rs. 7,930 is divided into three parts and given on loan at 5% simple interest to A, B and C for 2, 3 and 4 years respectively. If the amounts of all three are equal after their respective periods of loan, then A received a loanof
    1. Rs. 3,050
    2. Rs. 2,760
    3. Rs. 2,750
    4. Rs. 2,800
Correct Option: B

Let the loans taken by A, B and C be Rs. p, Rs. q and Rs. r respectively.
∴ p + q + r = Rs. 7930
We can find the required answer with the help of given formula ,

S.I =
Principal × Time × Rate
100

According to the question,
p +
p × 2 × 5
= q +
q × 3 × 5
= r +
r × 4 × 5
100100100

100p + 10p
=
100q + 15q
=
100r + 20r
100100100

⇒ 110p = 115q = 120r
⇒ 22p = 23q = 24r
22p
=
23q
=
24r
607260726072

[LCM of 22, 23 and 24 = 6072]
p
=
q
=
r
276264253

∴ p : q : r = 276 : 264 : 253
Sum of terms of ratio = 276 + 264 + 253 = 793
∴ A’s loan =
276
× 7930 = Rs. 2760
793



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