Aptitude and Reasoning Questions

If P denotes '÷', Q denotes 'x', R denotes '+' and S denotes '­', then 18Q12P4R5S6 = ?

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement 1 : All clocks are watches.
Statement 2 : Some clocks are alarm.

Conclusion I : Some alarm are watches.
Conclusion II : All watches are alarm.

Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in

A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days that B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order.

A) One day's work of B is 1/10 - 1/15

B) One day's work of A and B is 1/10 and One day's work of A is 1/15

C) B alone can do the work in 30 days

D) One day's work of B is 1/30

The marked price of a pen is Rs 3000. The shopkeeper gives two successive discounts of 15% and a% to the customer. If the customer pays Rs 2142 for the pen, then what is the value (in percentage) of a?

Select the odd word/letters/number/number pair from the given alternatives.

Starting from his house, Manish moves 25 km towards south­east and then turns to the west and covers another 7 km. How far (in kilometres) is he now from his house?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

64, 100, 169, 289, ?