Quantitative Aptitude - Arithmetic Ability Questions

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)]?

Which of the following value of 'x' satisfies the equation 814x+4 = 2432x+8?

What is the reflection of the point (6, -1) in the line y = 2?

If a3 + b3 + c3 - 3abc = 0, then the value of a2/bc + b2/ac - 3.

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?

Find the odd numbers/letters/numbers from the given alternatives.

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

How many numbers are there from 300 to 650 which are completely divisible by both 5 and 7?