Quantitative Aptitude - Arithmetic Ability Questions

If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?

A car travels a certain distance at 32 km/h and comes back at 68 km/h. What is the average speed for total journey?

Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.

What is the value of sin (90° + 2A)[4 – cos2(90° – 2A)]?

Two whole numbers are such that the square of first number exceeds the second by 112 and the ratio of the numbers is 4:3. What is thevalue of smaller number?

1/8 th of the audience of a program Jabardast were children, 2/5th of the audience were men and the rest women. If the number of women audience is 380, find the total number of audience in the program?

After allowing a discount of 20% on Marked price Kishore makes a profit of 12%. What percentage is the Marked price above the Cost price?

If (333 + 333 + 333) (233 + 233) = 6x, then what is the value of x?