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According to the question, 12000 – 10000 = (10000 × r × 24) ÷ (12 × 100) Or, 1000 = 100 × r Or, r = 10 When the sum is invested at compound interest, Effective rate of interest = (r + 20) ÷ 3 = (10 + 20) ÷ 3 = 10% Effective time period = 1 × 3 = 3 units Amount received = Principal × {1 + (r/100)}time period = 10000 × {1 + (10/100)}3 = 5000 × (1.10)3 = 13310
The ratio of ages of A, B and C is 2 : 4 : 5 and sum of their ages is 77. Find the ratio of A's age to B's age ten years hence.
A, B, C, D, and E are five friends who went on a picnic. Their average age is 43 years. The present age ratio of D to E is 4:5, and the present age rati...
The current age ratio of 'A' to 'B' is 5:7, and their combined age is 48 years. The age of 'A', after 'n' years, will equal the age of 'B' from 'n' year...
The sum of the present ages of a father and his daughter is 80 years. Eight years ago, the father’s age was seven times the age of his daughter. Eight...
20 years ago, the age of ‘I’ was 50% more than ‘J’. If the sum of their present ages is 90 years, then find the present age of ‘I’.
...The current age ratio of Akash to karan is 7:9, and the current age ratio of karan to Chetna is 3:5. If the average of their present ages is 62 years, d...
Difference between the ages of A and B is same as the difference between the ages of B and C. The difference between the ages of A and C is 7 years. If ...
If 3 years is subtracted from the present age of R and the remainder is divided by 9, then the present age of his grandson A is obtained. If A is 4 yea...
