ABC26GN3999 · Simple Interest

Subject: General Aptitude · Chapter: Simple Interest · Exam: · Marks: · Difficulty:

A man invested of his capital at 7%; at 8% and 3 4 find the capital.
Answer
Answer (as printed):
Explanation
Let the total capital be ` x. x 7  x 8    1 1  Then,  × × 1 +  × × 1  +  1 –  +   x  3 100   4 100    3 4  7x x x  561 × 600  ⇒ + + = 561 ⇒ 51 x = 561 × 600 ⇒ x =   = 66 300 50 24  51  Hence, capital = ` 6600. 645 the remainder at 10%. If his annual income is ` 561, (M.B.A., 2006) 10  × × 1 = 561 100  00.

Explanation as extracted from the printed page; notation may be imperfect.

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