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The difference between the ages of a boss and his subordinate is 16 years. Four years ago, the respective ratio of the ages of the boss and the subordinate was 11:7 then, what is the present age of subordinate?
An expression, which when divided by(x+1) gives (x2-x+1) as quotient and 3 as remainder, is equal to
If ' √ ' means 'square', ' x ' means '+', '-' means ' x ', '+' means ÷, then
20 + 25 x 5 − 3 = ?
Choose the correct alternative from the given ones that will complete the series.
2, 7, 22, 67, ___, 607
If A and B are positive integers such that 9A2 = 12A + 96 and B2 = 2B + 3, then which of the following is the value of 5A + 7B?
When 12 is added to a number, it becomes nine-eighth of the original number. What is 12.5% of the original number?
2 Pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is
An amount of money is to be distributed among P,Q and R in the ratio of 3:8:15 respectively. If the difference between the shares of P and R is Rs 2,400,what is Q's share?