Quantitative Aptitude - Arithmetic Ability Questions

Weight of Ayush and Abhishek are in the ratio of 6:11. Abhishek's weight increases by 25% and total weight of Ayush and Abhishek both increases by 40%. If total weight becomes 119 kg, then wat is the weight (in kg) of Ayush after the increment?

The radius of the circle is 14 cm, an arc is subtend an angle 54 degree at center. Find the length of the arc (in cm).

The average age of 40 students of a class is 16 years. If the average age of 24 students is 15.5 years and that of the 15 students is 16 2⁄3 years, then the age of 40th student is

The value of cos220° + cos270°is

What is the altitude of an equilateral triangle whose side is 12 cm?

Which one of the following is the minimum value of the sum of two integers whose product is 24?

A sum becomes Rs 8800 in 4 years at simple interest at the yearly interest rate of 25% per annum. What is the sum (in Rs)?

If ax + by = 1 and bx + ay = 2aba2+b2 then x2+y2a2+b2 is equal to