Questions

A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.

Non­-Tax revenue can be increased by improving the working of ___________.

Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?

Soda water was invented by

Apurvi Chandela is related to _______.

Which nation(s) will host the Men's Cricket World Cup to be held in the year 2019?

From an external point two tangents to a circle are drawn. The chord passing through the points of contact subtends an angle72° at the centre. The angle between the tangents is?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

wide in range or effect