Quantitative Aptitude - Arithmetic Ability Questions

In a trapezium ABCD, AB and DC are parallel sides and ∠ ADC = 90°. If AB = 15 cm, CD = 40 cm and diagonal AC = 41 cm. Then the area of the trapezium ABCD is

Select the odd letters from the given alternatives.

What is the value of 1xp-q+1+1xq-p+1?

If cosec2 θ = 625/576, then what is the value of [(sin θ – cos θ)/(sin θ + cos θ)]?

If Cosec θ = 17/8, then Cot θ = ?

The marked price of a helmet is 30% more than its cost price. If the helmet is sold for Rs 744 after a discount of Rs 36, then what will be the profit percentage?

A vendor buys some bananas at the rate of 2 for Re 1 and sells at the rate of 10 for Rs 7. What will be the result?

Average of two numbers is 8 and average of other three numbers is 3 ; the average of the five numbers is