Quantitative Aptitude - Arithmetic Ability Questions

If sinA + sin2A =1 then what is the value of cos2A + cos4A

ΔXYZ is right angled at Y. If m∠X = 30 deg, then find the value of (sinZ + √3).

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

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.

In the following question, select the odd letter/letters from the given alternatives.

Rearrange the jumbled up letters in their natural sequence ad find the odd one out.

The salary of a person is reduced by 20% . To restore the previous salary, his present salary is to be increased by

­ What is the equation of the line if its slope is 3/4 and y­intercept is 5?