Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (5, -2) in the line y = -1?

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

The average of 15 numbers is 7. If the average of the first 8 numbers is 6.5 and the average of the last 8 numbers is 8.5 then middle number is

The length of diagonal BD of a parallelogram ABCD is 36 cm. P and Q are the centroids of triangle ABC and triangle ADC respectively. What is the length (in cm) of PQ?

If two marbles are picked at random, what is the probability that either both are red or both are green?

If rsin∅ =1, rcos∅=√3, then the value of r2tan∅ is

If 6x + 4(2-x) > 3x -2 > 5x/2 - x/4; then value of x is

Two whole numbers are such that the cube of first number exceeds the cube of second by 61 and the ratio of the numbers is 5:4. What is the value of larger number?