Quantitative Aptitude - Arithmetic Ability Questions

A bank offers 20% compound interest per half year. A customer deposits Rs 2800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is ______.

Select the odd letters from the given alternatives.

Identify the odd one out from the following:

If the shopkeeper sells an item at Rs 1000 which is marked as Rs 1250, then what is the discount he is offering?

If x+3y=-3x+y, then x22y2 is equal to

If a+1a=1,then the value of a2-a+1a2+a+1 is a≠0

cos(A+B) + cos(A-B) is equal to

If in a two digit number, the digit at unit place is y and the digit at tens place is 5, then the number is