Top 100 Aptitude Questions and Answers for Competitive Exams

Two-person X and Y invested their money in the ratio of 30:28 and the ratio of their respective profits at the end of a year is 10:4. If Y invested the money for 3 months, then for how much time (in months) x invested his money?

A sum of Rs.10600 is divided among P, Q, R in such a way that P gets Rs.1400 more than what Q gets and Q gets Rs.1600 more than what R gets. The ratio of their shares is

In a bag there are 4 white, 4 red and 2 green boxes. Two boxes are drawn at random. What is the probability that at least one boxes is of red colour?

In how many different ways can the letters of the word 'NATIONAL' be arranged?

A dealer marks an article 40% above the cost price and sells it to a customer, allowing two successive discounts of 20% and 25% on the marked price. If he suffers a loss of Rs.140, then the cost price (in Rs.) of the article is:

The marked price of a AC was Rs.22500. After allowing two successive discounts, it was sold for Rs.17595. If the second discount was 8%, then what was the first discount?

If 1³ + 2³ + .....+103 = 3025 then 4 + 32 + 108 + ..... 4000 is equal to -

The median of 31, 25, 17, 23, 45 and 59 is:

If $$ {x+{9\over x}=6}$$  then find the value of $$ {x^{2}+{1\over x^{3}}}$$

(x+2y) (x² + 4y² – 2xy) equal to-