Quantitative Aptitude - Arithmetic Ability Questions

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

If Cot θ = 24/7, then Sin θ = ?

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the area of quadrilateral ABCD?

The sum of present age of father and his son is 60 yrs. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be?

What is the slope of the line perpendicular to the line passing through the points (-5 , 1) and (-2 , 0)?

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

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