Quantitative Aptitude - Arithmetic Ability Questions

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

What is the simplified value of (cos A + sin A)(cot A + tan A)?

The average revenues of 11 consecutive years of a company is Rs 77 lakhs. If the average of first 6 years is Rs 72 lakhs and that of last 6 years is Rs 84 lakhs, What is the revenue for the Sixth year.

If the areas of two similar triangle are in the ratio 5 : 7, then what is the ratio of the corresponding sides of these two triangles?

If a = 5, b = 4, c = 8 then find the value of (a3 + b3 + c3 - 3abc)/(ab + bc + ca - a2 - b2 - c2)

Simplify 576b3x2a4z3/36a3b2z

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

The bus fare between two cities is increased in the ratio 5:11. Find the increase in the fare, if the original fare is Rs. 275.