Exams

In the following figure the circle stands for unemployed, the smaller rectangle stands for lazy, the triangle stands for urban and the larger rectangle stands for foolish.

The number of non-urban, unemployed people who are neither foolish nor lazy are

The pie chart represents the favourite stars (Bollywood stars SRK, SK, AK, HR and VD) of the people of a family.

If there are 40 people in the family, what is the difference between those who like AK and those who like VD?

The bar graph shows the population of different countries. Study the diagram and answer the following questions.

Population of country E is greater than that of country A by ___________.

If the frequency of a sound wave of given velocity is increased , how will it affect its wavelength?

Loess Plateau is situated in ___________.

The percentage increase in the population is highest as compared to that of the previous year in the year :

The angle of elevation of an aeroplane from a point on the ground is 60 deg. After flying for 30 seconds, the angle of elevation changes to 30 deg. If the aeroplane is flying at a height of 4500 m, then what is the speed (in m/s) of aeroplane?

This is NOT a use of a concave mirror?