What was the percentage increase in export from 2006 to 2007? `16 2/3%` (b) 19% (c) 20% (d) `33 1/3%`

What per cent is 3% of 15% ?

If there is an error of 2% in measuring the length of simple pendulum, then percentage error in its period is: (a) 1% (b) 2% (c) 3% (d) 4%

If there is an error of 2% in measuring the length of simple pendulum, then percentage error in its period is: 1% (b) 2% (c) 3% (d) 4%

If the radius of a circle is diminished by 10%, then its area is diminished by (a) 10% (b) 19% (c) 20% (d) 36%

If the radius of a circle is diminished by 10%, then its area is diminished by (a) 10% (b) 19% (c) 20% (d) 36%

If there is an error of 2% in measuring the length of simple pendulum,then percentage error in its period is: (a) 1% (b)2% (c) 3% (d) 4%

A man bought 20 shares of Rs 50 at 5 discount, the rate of dividend being 13 1/2% . The rate of interest obtained is: 12 1/2% (b) 13 1/2% (c) 15 % (d) 16 2/3%