The average of 10 numbers is 7. What will be the new av average if each of the numbers is multiplied by 8?

A train runs at 45 km per hour. How far does it go in 6 seconds?

A machine part is packed in a box of size 5cm x 4cm x 2cm. The number of parts that can be packed in a carton...

A's income is 50% less than B's . By how much percent, B's income is more than A's?

After scoring 85 runs in the 17th innings, a batsman's average run increases by 3. What was his average before...

A train running at the speed of 25 m/s takes 10 seconds to pass a man running at the speed of 10 m/s in the op...

Students of a class stand in a queue. If Rajib is 19th in order from both ends, how many students are there in...