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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 is the total profit earned by two partners, A and B, in a business?

What is the speed of a train?

Statement I: The train crosses a pole in 10 seconds.

What is the profit%/loss% incurred by selling an article for Rs. 44,000?

What is the area of the circular Track?

Statement-I: The area of equilateral triangle that can be inscribed in circular Track is 48√3 m2

Find the ratio of average of selling price of each unit of articles 'B' and 'C' together to cost price of each unit of article 'A'

What is the speed of stream?

I   Sum of time taken by a boat in upstream and downstream is 46 hrs to cover distance 460 km in each. 

What is a two-digit number?

I. The difference between the two digit is 5.