Quantitative Aptitude - Arithmetic Ability Questions

What is the value of [(cos32θ + 3 cos 2θ)÷(cos6θ – sin6θ)]?

The marked price of an article is Rs. 5000. But due to a special festive offer a certain percent of discount is declared. Mr. X availed this oppurtunity and bought the article at reduced price. He then sold it at Rs. 5000 and thereby made a profit of 11 1/9%. The percentage of discount allowed was?

If 9x - [5(2x + 1)/2] = 9/2, then the value of x is?

A person lent certain sum of money at 10% per annum simple interest. In 20 years the interest amounted to Rs 500 more than the sum lent. What was the sum lent (in Rs)?

If x/y = 4/9, then what is the value of (7x2 – 19xy + 11y2)/y2 ?

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

The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What is the marks obtained by the last student?

If 3x - 10 = -(2x + 5), then the numerical value of (x - 4)3 is