Let present age of ‘A’ be ‘a’ years So, 3(a – 20) = a + 8 Or, 3a – 60 = a + 8 Or, 2a = 68 Or, a = 34 Present age of ‘B’ = 3/2 × {34 + 8} – 8 = 63 – 8 = 55 years Present age of ‘C’ = 40 × 3 – 34 – 55 = 31 years
The cost of a piece of diamond varies with the square of its weight. A diamond of Rs.9720 value is cut into 3 pieces whose weights are in the ratio 4: 3...
Two candles of the same height are lighted at the same time. The first is consumed in 10 hours and the second in 8 hours. Assuming that each candle burn...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 2 : 3 : 4 : 5. if the loss i...
In an office, the ratio of the number of males to number of females is 9:4. If 2 males joined the class and 8 females left the class, then the ratio of ...
Some amount was divided among A, B and C in the ratio 3:5:8. If the share of A is 40 less than share of C, then find the 1/4th of total amount (in Rs).
P, Q and R together started a business. Three times the investment of P equals five times the investment of Q and the capital of Q is twice that of R. F...
Rs 11,550 has to be divided between X, Y & Z such that X gets 4/5 of what Y gets and Y gets 2/3 of what Z gets. How much more does Z get over X (in Rs)?
In an institute, the average score on an IBACIO Scholarship test for 52 aspirants is 51. Excluding the scores of the top 5 performers, the average score...
The ratio of the two numbers is 4:7. 110% of the first number is equal to the 80% of the second number. Find the sum of both the numbers.
The price of sugar is increased by 35%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original c...
