Questions

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Starting late-2014, scientists of the National Aeronautics and Space Administration (NASA) working _______ satellite data tracking the rift found that the defect in the Larsen C was growing _________. By 2016 the crack became 70 miles long and 300 feet ________. By January 2017 it measured 109 miles in length and 1,500metres in breadth. On July 12, it broke. The broken shelf, now __________ official iceberg, was massive, indeed the ____________-ever such iceberg, weighing 1.1trillion tons and measuring 2,200 square miles.

indeed the ____________-ever such iceberg,

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Australia was discovered by Dutch ______ in 1606.

A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.

The BRICS Development Bank is now called as

Nautical miles to km formula

A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the force of gravity is

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is