Exams

The sum of a non-zero number and its reciprocal is 2. What is the number?

When a number of resistance are connected in ___, their combined resistance is less than the smallest individual resistance.

A train crosses a 550 m long platform in 36 seconds. How long was the train if it was travelling at the speed of 70 kmph?

A shopkeeper marks the price of an article at Rs. 320. Find the cost price if after allowing a discount of 10%, he still gains 20% on the cost price.

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

A solid cone of height 36 cm and radius of base 9 cm is melted to form a solid cylinder of radius 9 cm and height 9 cm. What percent of material is wasted this process?

If a mirror is placed on the line, choose the right image of the given figure?

Who among the following is the executive head of state in India?