Questions

Upto now, India has won 28 medals in Olympics from 1896 - 2016. In that

Rio Olympics 2016  - 02

Beijing Olympics 2008 - 03

London Olympics 2012 - 06

Athens Olympics 2004 - 01

Hence, India has won most number of medals in 2012 Rio Olympics.

Black  surfaces are good emitters of heat ( They are also good absorbers of heat). If the black surface is rough too, the emitting will be better. So (b) is the correct answer. Shining surfaces reflect back radiation. So if the black surface is also shining the effectiveness of emitting heat is lessened.

Higher Quality Scores typically result in lower costs and better ad positions. Quality Score is Google's rating of the quality and relevance of both your keywords and PPC ads. It is used to determine your cost per click (CPC) and multiplied by your maximum bid to determine your ad rank in the ad auction process.

Maharashtra bagged top position in total live investments attracted by different public and private sources across India as of FY17 stated the ASSOCHAM report. While Gujarat is in the second position followed by Odisha on the third slot, Gujarat at 8.5% and Odisha at 7%. Maharashtra led the pack to top as the best state to attract the investments.

Galton's whistle is also called as Dogs whistle or silent whistle, is a type of whistle that emits sound in the ultrasonic range, which people cannot hear but some other animals can, including dogs and domestic cats, and is used in their training.