Quantitative Aptitude - Arithmetic Ability Questions

Product of 9b2, 3a2 and 4ab is

If θ is acute angle and tan θ – cot θ = 0, then what is the value of tan26θ + cot100θ?

The average of 100 observations was calculated as 35.It was found later, that one of the observation was misread as 83 instead of 53. The correct average is :

If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2)

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?

The ratio of three numbers is 5 : 6 : 8. If the sum of the three numbers is 380, then what is the smallest among the three numbers?

In the following question, select the odd word pair from the given alternatives

A car travels a certain distance at 34 km/h and comes back at 66 km/h. What is the average speed for total journey?