Question
Pipe C can fill a tank in 10 hours and pipe D in 15 hours.
If both the pipes are opened in an empty tank, how much time will they take to fill it?Solution
Let the capacity of tank be 30 litres (LCM of 10 and 15)Efficiency of 'C' = (30/10) = 3 litres/hourEfficiency of 'D' = (30/15) = 2 litres/hourRequired time = 30 ÷ (3 + 2) = 6 hours
The question consists of two statements numbered “I and II” given below it. You have to decide whether the data provided in the statements are suffi...
Find the Income of Suleiman?
Statement I: Suleiman's income exceeds Salman's by Rs. 8000, and Salman's savings amount to Rs. 15,000.
State...
What is the area of the square?
I. The diagonal of the square is the 6√3m.
II. The perimeter of the square is 48m.
Amar, Akbar and Anthony invested Rs 120000 in a business in ratio 5:3:2 respectively. What is the profit % earned by them after a year?
Statemen...
Three individuals, 'A', 'B', and 'C', are employed to complete a task. How many days will it take for 'A', 'B', and 'C' to finish...
How much time will train A take to cross a platform of length 400 m?
I. The train A crosses another train B in 40 seconds.
II. Both t...
Rohit, Dhawan, Virat, Dhoni and Mayank a re five friends. Their mean age is 28. What is the age of Virat ?
Statement I : Rohit’s age is 28...
In each of the following questions, read the given statement and compare the Quantity I and Quantity II on its basis.
Quantity I: The monthl...
Find the rate of interest per annum on a sum of money invested? Statement I: The difference between the compound interest and simple interest at the end...
'Anoop, Bittu, Chetan, and Danny' are the four staff members. Find "Danny's" current age.
Statement I: The ratio of Anoop's current age to Bittu...
Relevant for Exams:
