Quantitative Aptitude - Arithmetic Ability Questions

A right circular solid cylinder has radius of base 7 cm and height is 28 cm. It is melted to form a cuboid such that the ratio of its side is 2 : 3 : 6. What is the total surface area (in cm2) cuboid?

A sum of Rs 4000 becomes Rs 7000 in 6 years at simple interest. If the rate of interest becomes double of itself, then what will be the amount (in Rs) after 6 years?

What is the value of (cos 45 - 1/3) ?

The cash difference between the selling price of an article at a profit of 2% and 18% is Rs. 3. The ratio of two selling prices is

Select the odd letters from the given alternatives.

Four pairs of words are given. Find the odd one out.

The value of 8(sin6θ + cos6θ) - 12(sin4θ + cos4θ) is equal to

In a week, how many times are the hands of a clock at right angles with each other?