Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 5/9 + 7/8?

The average age of eight teachers in a school is 40 years. A teacher among them died at the age of 55 years whereas another teacher whose age was 39 years joins them. The average age of the teachers in the school now is (in years)

When Bablu decreases the selling price of the shoes from Rs. 360 to Rs. 345, his loss increases by 4%. The cost price of the shoes is

ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?

In the following question, select the odd letter/letters from the given alternatives.

If 7x ­- 5y = 13 and 2x -­ y = 5, then (x -­ y) is

2 ­- (cosA + sinA)2 is equal to

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.