Quantitative Aptitude - Arithmetic Ability Questions

If cosA + cos2A = 1 then the value of sin2A + sin4A is

The percentage change of a number when it is first decreased by 10% and then increased by 10% is

The prices of chairs and tables are in the ratio of 9 : 5. If the chairs cost Rs. 4200 more than the tables, find the price of the tables? (in Rs.)

If tan4θ + tan2θ = 1 then the value of cos4θ + cos2θ is

Find out the odd word/letters/number/number pair from the given alternatives.

Select the odd number from the given alternatives.

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

If xy+yz+zx = 1, then the value of (1+y2)(x+y)(y+z) ?