Quantitative Aptitude - Arithmetic Ability Questions

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

Select the odd word from the given alternatives.

If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?

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?

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

If Reena sold 12 mobile phones for Rs. 1,88,160 which cost Rs. 14,056 per phone, what was the total profit made by her?