Quantitative Aptitude - Arithmetic Ability Questions

BD and CE are two medians of the triangle ABC. If EO = 7 cm, then the length of CE is

A cylinder of radius 4.5 cm and height 12 cm just fits in another cylinder completely with their axis perpendicular. What is the radius (in cm) of second cylinder?

There are two numbers such that the first number is half of the second number. If their average is 57, then what is the first number?

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

If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%

What is the value of {[sin (x + y) – 2 sin x + sin (x – y)]/[cos (x – y) + cos (x + y) – 2 cos x]} × [(sin 10x – sin 8x)/(cos 10x + cos 8x)]?

Find the odd numbers/letters/numbers from the given alternatives.

In the following question, select the odd letter/letters from the given alternatives.