Exams

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

I wouldn’t (has dared) to venture into such a scene.

4 + 16 x -12 x 24 - 13 - 3 ÷ 20 - 4 = ?

In the following pair of words, pick the odd pair which is odd from the others?

30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

In which month does the Earth's Perihelion position occur?

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

Recklessly extravagant or wasteful in the use of resources

A boat covers a distance of 14 km upstream and 16 km downstream in 9 hours. It covers a distance of 12 km upstream and 40 km downstream in 11hours. What is the speed (in km/hr) of the boat in still water?