Questions

A shop keeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of cost price to the printed price of the book is

How many chromosomes does a human cell contain?

___ is not a chemical change.

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.

The general consensus is that the millennial _____________ with taking pictures of everything stems from the tendency to over- share on social media, but it may also be a manifestation _______________ our relationship with an increasingly unstable present. When everything around you _______________ before you can register it, it is tempting to reach into your pocket for your smartphone, click away, and think about it later, even ___________ the subject is as simple as a slice of toast. The selfie may be narcissistic, but it is ___________ a self-portrait that anchors you to a time and place, be it your first holiday abroad or the nightclub you visit every weekend.

When everything around you _______________ before you can

Sensitivity of potentiometer can be increased by

What of the given below devices converts chemical energy to electrical energy?

Velocity of a car does not depend on

Match the characteristics with their market structure:
(a) Firm has control over quantity of output but it must take into account reactions of competitors.
b) Firm will tend to set output so that it earns maximum profits.