Quantitative Aptitude - Arithmetic Ability Questions

In ΔABC, ∠BAC = 90° and AD is drawn perpendicular to BC. If BD = 7 cm and CD = 28 cm, then what is the length (in cm) of AD?

If the average age of four children is 12 years and the average age of these children and their fathers is 20 years, what is the age of the father?

Of the 3 numbers whose average is 112, the first is 3/13 times the sum of other 2. The first number is _____.

ABCD is a cyclic quadrilateral ∠DBA=50° and ∠ADE=33°, then the measurement of ∠BCD is

5% more is gained by selling a watch for Rs. 350 than by selling it for Rs. 340. The cost price of the watch is

Which of the following is correct?

Find out the odd word/letters/number/number pair from the given alternatives.

129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of a cliff is 30°. The height of this cliff is