Quantitative Aptitude - Arithmetic Ability Questions

If 2sec2x - tan2x = 5 and 0° ≤ x ≤ 90°, then x = ?

Sin6A + Cos6A - 1 is equal to

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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.

The base area of a right pyramid is 57 sq. units and height is 10 units. Then the volume of the pyramid is

Ritesh sold a pen for Rs. 36 with a profit of 20%. If it were sold for Rs.33, then what could be the percentage of profit or loss?

If the volumes of two right circular cones are in the ratio 1:4 and their diameters of bases in the ratio 4:5, then their heights will be in the ratio:

Select the odd letters from the given alternatives.

The LCM of 14, 21 and 35 is