Quantitative Aptitude - Arithmetic Ability Questions

If 1aa2+1 = 3, then the value of a6+1a3 is

If 2 shirts are offered free on purchase of 3 shirts priced Rs 600 each, then what will be the effective discount on each shirt?

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?

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

Point Q(-2,b) is the midpoint of segment EF. Co-ordinates of E are (-7,-6) and F are (a,0). What is the value of a and b?

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

If x+1x=5,then the value of x1+x+x2 is

If cos 21° = x/y, then cosec 21° -­ cos 69° is equal to