The average weight of P, Q and R is 93 kg. If the average weight of P and Q is 89 kg and that of Q and R average weight is 96.5 kg ,  then the weight (in kg) of Q is____.

Vivek buys 3 shirts at an average price of Rs. 1250. If he buys 2 more shirts at an average price of Rs. 1450. What will be the average price (in Rs.) of all the 5 shirts he buys?

0.08% of 120% of 40,000 is equal to___.

When a number is increased by 24, it becomes 115% of itself. What is the number?

Excluding stoppages, the speed of a bus is 80 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

Two bikers A and B start and ride at 75 km/hr and 60 km/hr respectively towards each other. They meet after 20 minutes. How far (in km) were they from each other when they started?

If a boat goes upstream at a speed of 24 km/hr and comes back the same distance at 40 km/hr. What is the average speed (in km/hr) for the total journey?

A plan flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?