Exams

If a cylinder of radius 4.3 cm and height 4.8 cm is melted and constructed into a cone of the same radius, what will be the height of this cone? (Use π = 22/7)

Manjeet can do a work in 18 hours. If he is joined by Jaya who is 100% more efficient, in what time will they together finish the work?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Rat race

If a3 + b 3 = 35 and ab = 6, then what is the value of a + b?

Earth is also known as _______.

Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

A shopkeeper purchased some eggs at rs. 19.20 per dozen and sold them at a profit of 25%. What is the selling price per egg?

The average of first 20 multiples of 12 is