Quantitative Aptitude - Arithmetic Ability Questions

What is the value of [(cos 3θ + 2cos 5θ + cos 7θ)÷(cos θ + 2cos 3θ + cos 5θ)] + sin 2θ tan 3θ?

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

If Sin θ = 20/29 , then what is the value of Sec Sin θ ?

What is the value of sin (–π/3) + cos(–π/6)?

If x = x2+11 2 - 2, then x3 + 5x2 + 12x is

A dinner set is quoted for Rs 1500. A customer pays Rs 1173 for it. If the customer got a series of two discounts and the rate of first discount is 15% then the rate of second discount was,

Δ ABC is right angled at B. If m∠A = 30°, what is the length of AB (in cm), if AC = 10 cm?

When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his % profit?