P, Q, R are employed to do a work for Rs. 5750. P and Q together finished 19/23 of work and Q and R together finished 8/23 of work. Wage of Q, in rupees, is-

A person can hit a target 5 times out of 8 shots. If he fires 10 shots, what is the probability that he will the target twice?

The average weight of 24 students is 35 kg. If the weight of teacher is added the average increased by 400 gram. What is the weight of the teacher?

Travelling at 60 km/h, a person reaches his destination in certain time. He covers 60% of his journey in 2/5^th of the time. At what speed (in km/h) should he travel to cover the remaining journey so that he reaches the destination right on time ?

Direction: Study the following information and answer the related questions. P, Q, R, S, T, A, B, C, D and E are employees of a company. A table shows the average age of any two employees of the company. The average age of A and B is 27.5.
i.e. average age of A & P is given as (A+P)/2=39.5

What will be the average of sum of ages of A, B, C, D and E together after five years?

(secA – 1)/(secA + 1) is equal to?

Reshma covers 45 km at a speed of 15 km/h by bicycle, 80 km at a speed of 40 km/h by car, and another 6 km at a speed of 2 km/h on foot. Find her average speed for the whole journey (correct to 2 decimal places).

Two numbers are 90 % and 75 % lesser than a third number. By what % should the first number be increased so that it becomes equal to the second number?