Quantitative Aptitude - Arithmetic Ability Questions

If cosθ1-sinθ+cosθ1+sinθ = 4, then the value of θ (0°<θ<90°)?

If 1/3(12x/5 - 1/2) + 6/5 = 7/6, then what is the value of x?

Marked price of an item is Rs 500. On purchase of 2 items discount is 8%, on purchase of 3 items discount is 16%. Radha buys 5 items, what is the effective discount?

The cost price of an article is x. It is marked up by 150%. It is sold at Rs 600 after giving 40% discount. What is x (in Rs)?

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

The average of 3 consecutive even numbers is A. If next 5 even numbers are added, then what is the average of these 8 numbers?

Points P and Q lie on side AB and AC of triangle ABC respectively such that segment PQ is parallel to side BC. If the ratio of AP:PB is 2:3, and area of Δ APQ is 8 sq cm, what is the area of trapezium PQCB?

If 1 + secA = x, then the value of x is