Quantitative Aptitude - Arithmetic Ability Questions

ΔABC is right angled at B. BD is an altitude. AD = 9 cm and DC = 16 cm. What is the value of BD (in cm)?

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

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

What is the value of tanπ4+A×tan3π4+A ?

The costs of daily ticket of local train is Rs. 50 and Monthly Pass costs is Rs. 1125. If I buy the Monthly Pass and travel for 30 days in a month then I save?

2cos[(C+D)/2]sin[(C-D)/2] is equal to

∆ABC is right angled at B. If m∠A = 30°, then find the value of (sinC + 1/3).

If x - y = -9 and xy = -20, then find x2 + y2 ?