Answer: C) Window Explanation: The Opening in a wall to let in air or light is nothing but a Window.

Answer: B) +ve Explanation: We know the Mathematical rules that   ++ = ++- = --+ = --- = +

19 C in a CB means 19 Coins in a Carrom Board. We have 9 white coins, 9 black coins and one red coin in a carrom board.

Answer: A) Paytm Payments Bank Explanation: Paytm Payments Bank is the India's largest digital bank providing zero balance accounts and zero charges on digital transactions.

Answer: B) Gold Explanation: Here in the given options, Gold is a malleable substance. Malleable substance means a metal or a material able to be hammered or pressed into shape without breaking or cracking. i.e, tensile.

Answer: A) 4 years Explanation: Time = (100 x 81) / (450 x 4.5) = 4 years.

The sound is what can you hear but not touch or see.

Answer: A) Vizianagaram Explanation: The Ministry of Rural Development has selected Vizianagaram as one among the 17 districts across the nation for the MGNREGA annual award for effective implementation of the Mahatma Gandhi National Rural Employment Guarantee Act during 2015-16. The award would be presented at the Mahatma Gandhi NREGA Sammelan to the district programme coordinator and District Collector on June 19, 2017 in New Delhi.