Quantitative Aptitude - Arithmetic Ability Questions

A batsman makes a score of 81 runs in the 16th match and thus increases his average runs per match by 3. What is his average after the 16th match?

The average of 6 consecutive integers is 15/2. What is the average of last three integers?

Peter belongs to Town A and Paul belongs to Town B. They start their journeys towards each others towns following the same route at the same time. They meet somewhere on the way and continue with their journeys. After meeting Paul, Peter takes another 13.5 hrs to reach his destination while Paul takes another 6hrs to reach Peter's town. If Peter travelled at the speed of 30 kmph, what was Paul's speed in kmph?

Krishna cycled a distance of 90 km at a certain speed. If he cycled 3 km slower every hour, he would have taken 5 more hours to reach his destination. What is the speed in kmph at which Krishna actually cycled?

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

Find the odd word/letters/number from the given alternatives.

84% of a number is 105. The number is :

If xy = -30 and x2 + y2 = 61, then find the value of (x + y).