Quantitative Aptitude - Arithmetic Ability Questions

The marked price of a shirt is twice of the cost price. To earn a gain of 25%, what should be the discount percentage?

Solve the following : 3/4+{3/4 + 3/4 ÷ (3/4 + 3/4)} = ?

If x2-2x+1=0,then the value of x4+1x4 is

 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 aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives

Findout the odd word/letters/number/number pair from the given alternatives.
7 : 50 : : 9 : ?

The least number which when divides 37044, gives the result a perfect cube, is:

If A is equal to 20% of B and B is equal to 25% of C; then what percent of C is equal to A?

If x+1x ≠0 and x3+1x3 = 0, then the value of x+1x4 is :