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 ratio of the incomes of Vineet and Vidya is 12:5 respectively. Vineet saves 25% of his income while Vidya saves 20% of his income. The sum of their...
80 percent of first number is equal to 40 percent of the second number. What is the respective ratio of the first number to the second number?
Harsh is having Rs 40000. He deposited it in 2 banks. Interest given by first bank is 10.5%per annum and that of 2nd bank is 5.5%per annum. I...
Find the third proportional to 13 and 39?
- The mean proportional of 3 and 147 is _____.
Find the fourth proportion of (k + 2), (2k), and (3k + 6). (Note: 'k' is the smallest two-digit prime number.)
In an office, the ratio of the number of males to number of females is 13:9. If 3 males joined the class and 7 females left the class, then the ratio of...
- If ‘A’, ‘B’ and ‘C’ are in proportion in the given order while ‘A’ = 20 and ‘B’ = 40, then find the value of ‘C’.
Ratio between two numbers is 8:11 and their difference is 39. Find the sum of the given two numbers.