Quantitative Aptitude - Arithmetic Ability Questions

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?

Given 17 x 29 = 493, then 170 x 0.029 = ?

The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).

P, Q and R are channels which discharge solutions A,B and C respectively in a tank. When the tank is empty and all the three channels are opened what is the proportion of the solution C in the tank after 3 minutes, if the channels P, Q and R can fill the tank from empty to full in 30 minutes and 20 minutes and 10 minutes respectively when they are opened one at a time.

In the given figure, P  is the center of the circle. If QS = PR, then what is the ratio of angles RSP to the TPR ?

If 4(x + 1) - 3 < 3 - x < 2x + 5; then the value of x is

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of 2 Sec C x 1/2 Sin A?

What is the value of {[sin (x + y) – 2 sin x + sin (x – y)]/[cos (x – y) + cos (x + y) – 2 cos x]} × [(sin 10x – sin 8x)/(cos 10x + cos 8x)]?