Quantitative Aptitude - Arithmetic Ability Questions

The point R(a,b) is first reflected in origin to R1 and R1 is reflected in x-axis to (-3,4). The co-ordinates of point R are

If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.

What is the area (in sq cm) of an equilateral triangle of side 14 cm?

Find the odd word/letters/number pair pair from the given alternatives.

The sum of the digits of a 2­digit number is 17. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A person goes from point N to P and comes back. His average speed for the whole journey is 60 km/hr. If his speed while going from N to P is 40 km/hr, then what will be the speed of the person (in km/hr) while coming back from P to N?

There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 10000 after 3 years at the same rate?

The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is