In terms of economics, if it is possible to make someone better-off without making someone worse-off, then the situation is

• Inefficient

• Efficient

• Optimal

• Optimal

Which of the following vitamins are water soluble?

• Vit. A and Vit. B

• Vit. B and Vit. C

• Vit. C and Vit. D

• Vit. C and Vit. D

Men's Singles Wimbledon Championship 2016, is bagged by

• Andy Murray

• Milos Ravnic

• Roger Federer

• Roger Federer

General Dyer, who was responsible for Jallianwalan Bagh massacre, was shot dead by

• Hasrat Mohini

• Vir Savarkar

• Udham Singh

• Udham Singh

Green House Effect means

• Pollution in houses in tropical region

• Prevention of ultra-violet radiation by the ozone layer

• Trapping of solar energy due to atmospheric gases

• Trapping of solar energy due to atmospheric gases