General Knowledge Questions

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.

Mason Dixon Line

Indian business magnate Mukesh Ambani topples Jack Ma as Asia’s richest person as he positions Reliance Industries to disrupt the e-commerce space in India.

The chairman of India’s refining-to-telecoms conglomerate, Ambani was estimated to be worth US$44.3 billion in July 2018 with the share price of Reliance Industries rising 1.6 per cent to a record 1,099.8 rupees (US$16.05), according to Bloomberg Billionaires Index.

Jack Ma’s wealth stood at US$44 billion at the close of trading on the sameday in the US, where the company is listed.

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.

We know that, there are three main types of rocks. They are

1. Metamorphic

2. Sedimentary (and)

3. Igneous

Granite is an example of igneous type of rock. These type of rocks are formed through the cooling and solidification of magma and lava.

The Mahindra Excellence in Theatre Awards (META) instituted by Mahindra group.

Echolocation is an adaptation bats use to hunt insects in flight, locate flowering plants and find warm places for hibernation.