What is the speed of the boat in still water?

Statement I. The boat travels at the speed of 12 km/h upstream.

How many boys are there in the class?

I. The number of girls is 30% of the number of boys.

II. The ratio of the number of boys to that of girls is 3:5.

What minimum marks is required to pass an examination?

In how much time will a train running with a speed of 72 km/hr cross the second train?

What is rate of interest percent per annum?

A. The amount becomes Rs.75,712 at compound interest after 2 years.

What is the value of a two digit number?

Statement I:  The sum of the digits of the number is 9.

Read the following question and decide which of the statements is/are sufficient to answer the question.

Find the value of 'n'.

Rohit, Dhawan, Virat, Dhoni and Mayank are five friends. Their mean age is 28. What is the age of Virat?

Statement I : Rohit’s age is 28

What will be the age of Heena after 9 years?

Statement I: Ratio of age of Reena and Heena is 4 : 5.

How many people are travelling in the Metro?

Statement I: There are 35% men and 40% children passengers.