Quantitative Aptitude - Arithmetic Ability Questions

If 3x2 - ax + 6 = ax2 + 2x + 2 has only one (repeated) solution, then the positive integral solution of a is

Simplify 11.9983 = ?

The average of 8 consecutive integers is 23/2. What is the average of first three integers?

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

Select the odd number from the given alternatives.

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

Present ages of Sai and Satheesh are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Satheesh's present age in years?

The product of two numbers is 0.432. One of the numbers is 1.6. What is the other number?