Find the area of a right angled triangle whose hypotenuse is 10 cm and base 8 cm.

Find the next term of the series: 3, 6, 9, 18, 27, 54, ……

A number consists of 20 plus 20% of its value. The number is:

20% of 5 + 5% of 20 =

The angle between the minute hand and the hour hand of a clock, when the time is 8.30

Rs. 1581 is divided among A, B and C in the ratio 10 : 15 : 6. What is the share of B?