Quantitative Aptitude - Arithmetic Ability Questions

A right circular cylinder is formed. A = sum of total surface area and the area of the two bases. B = the curved surface area of this cylinder. If A : B = 3 : 2 and the volume of cylinder is 4312 cm3, then what is the sum of area (in cm2) of the two bases of this cylinder?

Find the unit place digit in 71 x 72 x 73 x 74 x 76 x 77 x 78 x 79.

What is the simplified value of 1-sin A1+sin A ?

What will be the net discount percentage of three successive discounts of 20%, 10% and 30%?

The ratio of incomes of P and Q is 5 : 3. Ratio of income of Q and R is 5 : 2. If one-fourth of P’s income is Rs 500 more than the R’s income, then what is the income (in Rs) of Q?

What is the reflection of the point (-0.5, 6) in the x-axis?

If xa+b+1=xa-b+a-ba+b, then x is equal to

There are three bottles of mixture of syrup and water of ratios 2:3, 3:4 and 7:5. 10 Litres of first and 21 Litres of second bottles are taken. How much quantity from third bottle is to be taken so that final mixture from three bottles will be of ratios 1:1.