Quantitative Aptitude - Arithmetic Ability Questions

The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax­-8, then a is

Three pipe P, Q and R can fill a tank in 12 minutes, 18 minutesand 24 minutes respectively. The pipe R is closed 12 minutesbefore the tank is filled. In what time the tank is full?

If the difference between the measures of the two smaller angles of a right angled triangle is 8°, then the smallest angle is

Deepti bought a set of cups for Rs. 175, but then had to sell it later to clear old stocks for Rs. 161. What is the percentage of loss that she had to incur?

In a Kite _____.

Select the odd letters from the given alternatives.

In the following question, select the odd number from the given alternatives.

Simplify 576b3x2a4z3/36a3b2z