Quantitative Aptitude - Arithmetic Ability Questions

Rahul nd Raghav are 110 km apart from each other and they started horse-riding towards each other at same time at a speed of 20 kmph and 24 kmph. After how many hours of riding will they be a distance of 22 km?

One number is 25% of another number. The larger number is 12 more than the smaller. The large number is

The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is

What is the simplified value of (1– sin A cos A)(sin A + cos A)?

If the present ages of a father and his son are 48 years and 28.8 years old respectively, then the father can say to his son, "I was ......... of your present age when you were born".

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

A person invested a total sum of Rs 7900 in three different schemes of simple interest at 3%, 5% and 8% per annum. At the end of one year he got same interest in all three schemes. What is the money (in Rs) invested at 3%?

The average of a,b,c is 20 and that of b,c,d is 25; if d=30, then the value of a is