Quantitative Aptitude - Arithmetic Ability Questions

If x = (√5) + 1 and y = (√5) – 1, then what is the value of (x2/y2) + (y2/x2) + 4[(x/y) + (y/x)] + 6?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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

Convert binary 1101111 to decimal.

If the volume of a cylinder is 3850 cubic cm and height is 25 cm, what is its radius? (Take π = 22/7)

Which of the following quadratic equations has real roots?

Find the value of 62532+18

Find the area (in cm²) of a semi-circle of radius 35 cm.