Quantitative Aptitude - Arithmetic Ability Questions

Mukesh got series of discount 30%, 25%, 15% on his shirt. Find out the single equivalent discount.

What will be the value of r2+p2+s2-rp-ps-rs when r = 4, p = 2, s = 8?

Select the odd word from the given alternatives.

The initial ratio of sugar to flour in a dough was 2 : 7. To 9 kg of the dough John added more sugar to make the sugar to flour ratio 2 : 5. How much sugar did John later add?

If the time increases by 5 years, then simple interest increases by Rs 3000 on a sum of Rs 5000. What is the rate (in percentage) of interest per annum?

ΔPQR is right angled at Q. If cotP = 5/12, then what is the value of tanR ?

If 4x - 5y = -37 and 7x + y = -16, then x - y = ______

When 0.363636.....is converted into a fraction, then the result is _____.