Quantitative Aptitude - Arithmetic Ability Questions

If 2x2+2y2=4a the find the value of 2ax2-a+2ay2-a

Select the odd number from the given alternatives.

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

Some one rupee, 50 paisa and 25 paisa coins make up rupees 93.75 and their numbers are in the proportion of 3 : 4 : 5. Find the number of each type of coins?

Aditya got 78% marks in the examination. If he secured 663 marks, find the maximum marks.

What will be the average of the first 5 positive even numbers divisible by 9?

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

Mukesh sells two shirts. The cost price of the first shirt is equal to the selling price of the second shirt. The first shirt is sold at a profit of 30% and the second shirt is sold at a loss of 30%. What is the ratio of the selling price of the first shirt to the cost price of the second shirt?