Quantitative Aptitude - Arithmetic Ability Questions

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.

The reciprocals of the squares of the numbers 11⁄2 and 11⁄3 are in the ratio

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.

If tanθ = 815, then 1-sinθ1+sinθ is

If 4(2x + 3) > 5 -­ x and 5x - ­3(2x­ - 7) > 3x -­ 1, then x can take which of the following values?

If 4x + 3y = 11 and 3x + 2y = 8, then (x,y) is

Marked price of an item is Rs 900. On purchase of 2 items discount is 6%, on purchase of 3 items discount is 12%. Rajani buys 5 items, what is the effective discount?

The marked price of a pen is Rs 3000. The shopkeeper gives two successive discounts of 15% and a% to the customer. If the customer pays Rs 2142 for the pen, then what is the value (in percentage) of a?