Quantitative Aptitude - Arithmetic Ability Questions

What is the simplified value of cosec6A – cot6A – 3 cosec2A cot2A?

If a:b = 3:8, find the value of (5a ­ 3b)/(2a + b).

What is the value of (1/√3 + sin45 ) ?

If x = at2 and y = 2at then

What is the value of [sin (90– 10θ) – cos (p – 6θ)]/ [cos (p/2 – 10θ) – sin (p – 6θ)]?

If sinA = x, then x is equal to

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)?

In the given figure, PQRS is a square of side 20 cm and SR is extended to point T. If the length of QTis 25 cm, then what is the distance (in cm) between the centers O1 and O2 of the two circles?