Quantitative Aptitude - Arithmetic Ability Questions

If u : v = v : w, then what is the value of u4 : v4?

On dividing 8a2b2c2 by 4a2, we get

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 24200, and Rs 26620 respectively, what is the rate of interest?

What is the reflection of the point (5, -2) in the line y = -1?

What is the value of Sin 60° + (1/2)Cosec 45°?

If two successive discounts of 50% and 10% are offered, then what is the net discount (in %)?