Quantitative Aptitude - Arithmetic Ability Questions

The difference between the largest and the smallest angles of a triangle whose angles are in the ratio of 5:3:10 is

If x stands for addition, / stands for subtraction, + stands for multiplication and - stands for division, then what is the value of 20 x 8 / 8 - 4 + 2 ?

A satellite airtime bill costs Rs. 8 for 5 minutes 40 seconds. What is the cost in rupees for 4 minutes 20 seconds? (Round upto one decimal).

Select the odd number from the given alternatives.

Find the unit place digit in 192102 + 193103

If x2-3x+1=0, then x+1x is (x≠0)

If x = a + 1a, y = a - 1a ,(a>0), then the value of x4+y4-2x2y2 is

On dividing a number by 38, we get 70 as quotient and 12 as remainder. What is the number?