Subject: General Aptitude · Chapter: Stocks and Shares · Exam: 2006 · Marks: · Difficulty:
Ravi invested ` 913 partly in 4% stock at ` 97 and partly in 5% stock at ` 107. If his income form both is equal, find the amount invested in each stock.
Answer
Answer (as printed):
Explanation
Let the investment in 4% stock be ` x. Then, investment in 5% stock = ` (913 – x). 4 5 4 4565 5 x 4 x 5 x 4565 × x = × (913 − x ) ⇔ x − ⇔ + = 97 107 97 107 107 97 107 107 428 x + 485 x 4565 4565 ⇔ = ⇔ 913 x = × 97 × 107 97 × 107 107 107 4565 × 97 ⇔ x= = 485. 913 Hence, amount invested in 4% stock = ` 485. And, amount invested in 5% stock = ` (913 – 485) = ` 428. STOCKS AND SHARES
Explanation as extracted from the printed page; notation may be imperfect.