Quantitative Aptitude - Arithmetic Ability Questions

Reflection of the point (4,-5) in the y-axis is

If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

The value of 1+tan2∅(1-sin2∅) is

The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits.What is the original number?

The difference between the place values of 9 and 5 in the number 428693745 is

If (tanA ­- tanB)/(1 + tanAtanB) = x, then the value of x is