Quantitative Aptitude - Arithmetic Ability Questions

Find the total surface area (in cm2) of a right circular cone of diameter 21 cm and slant height 11 cm.

Find the average of all prime numbers from 1 to 50.

Find the sum of first 8 odd prime numbers.

Dinesh purchases 10 dozens of apples at the rate of Rs 180 per dozen. He sold each one of them at the rate of Rs 19.5. What is the profit (in percentage) of Dinesh?

Which of the following is correct?

If the diameter of the two circles is 6 units and 10 units and a centre distance of 8 units. Calculate the number of common tangents that can be drawn to both the circle.

ΔDEF is right angled at E. If cosecD = 5/4, then what is the value of cosecF?

The cash difference between the selling price of an article at a profit of 2% and 16% is Rs.3. The ratio of two selling prices is