Quantitative Aptitude - Arithmetic Ability Questions

The compound interest earned in two years at 12% per annum is Rs 10176. What is the sum (in Rs) invested?

What is the compound interest on Rs. 48,000 for 2 years at 20% p.a., if interest is compounded annually?

The ratio of two numbers is 5 : 4. If the sum of both the numbers is 180, then what is the smaller number among both the numbers?

What is the value of {sin (90 – x) cos [π – (x – y)]} + {cos (90 – x) sin [π – (y – x)]}?

There are two numbers such that the first number is half of the second number. If their average is 57, then what is the first number?

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

Which of the following ratios can be the ratio of the sides of a right angled triangle?

Present ages of Rahul and his brother are in the ratio of 5 : 3. After 4 years ratio of ages of Rahul’s brother and his sister will be 5 : 6. If the present age of his sister is 26 years, then what will be the age (in years) of Rahul 3 years from now?