Questions

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.

General purpose gloves - utility gloves are recommended for cleaning procedures, such as handling soiled linens or decontaminating care areas. Utility gloves are more tear and puncture resistant than other gloves.

India ranked low 103rd out of 130 countries surveyed on World Economic Forum’s (WEF) Global Human Capital Index (GHCI) 2017. In the previous edition India ranked 105th.

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.

without this centripetal force, circular motion is not possible. It acts radially towards the centre and if this force is removed there will be no circular motion but the revolving body will fly off at a tangent.

• Oracle is based on RDBMS.


• SQL is Structured Query Language.


• SQL Server is another tool for RDBMS provided by MicroSoft

The acid used in lead storage cells is Sulphuric acid. They are used car batteries. Lead-acid batteries are capable of being recharged, which is important for their use in cars.