Quantitative Aptitude - Arithmetic Ability Questions

What is the remainder when 6910 is divided by 81?

The average of three consecutive odd numbers is 52 more than 1/3rd of the largest of these numbers. What is the smallest of these numbers?

Rs. 750 invested for 3 months gave an interest of Rs. 18. What was the simple rate of interest per annum?

cos3A is equal to

After deducting 60% from a certain number and then deducting 15% from the remainder, 1428 is left. What was the initial number?

A company reduces his employee in the ratio 14 : 12 andincreases their wages in the ratio 16:18. Determine whetherthe bill of wages increases or not and in what ratio

In a colored picture of blue and yellow color, blue and yellow color is used in the ratio of 4:3 respectively. If in upper half, blue : yellow is 2:3, then in the lower half blue : yellow is

The brother is elder to his sister by 6 years. Seven years ago the product of their ages was 72. What is the age of the brother?