Quantitative Aptitude - Arithmetic Ability Questions

Find the sum of the measures all the exterior angles of a decagon.

The ages of A and B differ by 16 years. If 6 years ago, the elder one was 3 times as old as the younger one, find the present age of the younger between A and B?

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?

A can do a work in 15 days and B in 20 days. If they work on it together for 6 days, then what fraction of work is left?

ΔPQR has sides PQ and PR measuring 983 and 893 units respectively. How many such triangles are possible with all integral sides?

At 5% simple interest per annum a certain sum yields a total amount of Rs. 2,790 at the end of 3 1/4 years. The sum invested was

A pen is sold at a discount of 36.36%. If the marked price of the pen is Rs 14300, then what is the selling price of the pen?

Select the odd number from the given alternatives.