Quantitative Aptitude - Arithmetic Ability Questions

Which of the following numbers is not a prime number?

If a regular polygon has 10 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?

The cash difference between the selling price of an article at a profit of 2% and 12% is Rs.3. The ratio of two selling prices is

If selling price and cost price of an article are Rs. 684.25 and Rs. 595 respectively, then what is the profit percentage?

A cylinderical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of theconical heap is 24 cm, what is the radius of its base?

If percentage of profit made,when an article is sold for Rs.78, is twice as when it is sold for Rs.69, the cost price of the article is

What is the age of the eldest sister if, the sum of ages of 5 sisters born at the intervals of 3 years each is 50 years?

The mean of the data 3, 10, 10, 4, 7, 10, 5 is