Quantitative Aptitude - Arithmetic Ability Questions

The average revenues of 13 consecutive years of a company is Rs 78 lakhs. If the average of first 7 years is Rs 73 lakhs and that of last 7 years is Rs 85 lakhs, what is the revenue for the 7th year?

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

What is that least digit that must be added to the product 5786 × 5784 to make it a perfect square?

A train 100 m long is running at a speed of 120 kms/hr. The time taken to pass a person standing near the line is

Find the degree of the polynomial 8x4 + 2x2y3 + 4

The measures of the four angles of a quadilateral are in the ratio 3:4:5:6. What is the measure of the biggest angle?

A solid right circular cone of radius 4 cm and height 7 cm is put inside a cylindrical vessel of radius 5 cm and height 8 cm. How much water in cubic cm will be required to fill the cylindrical vessel completely?

What is the measure of an interior angle of a regular polygon of 10 sides?