Quantitative Aptitude - Arithmetic Ability Questions

Which of the following is correct?

The ratio of present ages of Rambha and Sarvesh is 8:5. After 7 years the ratio of their ages will be 5:4. What is Rambha's present age?

XYZ is a right angled triangle and ∠Y = 90°. If XY = 2.5 cm and YZ = 6 cm then the circumradius of ∆XYZ is

If 31% of an electricity bill is deducted, Rs 1794 is still to be paid. How much was the original bill amount?

The amount received at 10% per annum Compound interest after 3 yrs is Rs 5324. What was the principal (in Rs)?

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

Δ DEF is right angled at E. If m ∠D = 30°. What is the length (in cm) of DE, if EF = 2√3 cm?

What is the value of 53% of 7400?