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?

An isosceles triangle ABC has sides AB = AC. If side BA is produced to D in such a manner that AC=AD. Then what will the measure of the angle BCD?

If α + β = 90° and α:β = 2:1, then the ratio of cosα to cosβ is

A kite is flying in the sky. The length of string between a point on the ground and kite is 420 m. The angle of elevation of string with the ground is 30 deg. Assuming that there is no slack in the string, then what is the height (in metres) of the kite?

The selling price of an article is 8/5th of its cost price. Then the gain percentage is

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

Choose the word is least like the other words in the group

In the following question, select the odd number group from the given alternatives.