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 simplest form of 3565/1495 is

If cos3A = X, then value of X?

(45.004% of 1439.97 –15.99% of 2249.97) ÷ 35.98 = ?

In a ∆ABC, BC is extended upto D, ∡ACD =120°, ∡B = 1/2 A. Then ∡A is

The average of 9 observations was found to be 35. Later on, it was detected that an observation 81 was misread as 18. The correct average of the observations is

If a + b = 8 and ab = 15, then what is the value of a3 + b3?

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