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Let the speed of boat be x km/hr. According to question, => [400/(x-3)] - [400/(x+3)] = 15 => x = 13 km/hr Total time taken = (400/10) + (400/16) = 65 hrs
If the length of the room is 10 m, then what is the height of the room?
I. The cost of painting the walls of the room at the rate of Rs. 25 per s...
What was the price of House P last year?
Statement I: The ratio of the price of two houses P to Q was 3:4 last year.
Statement II: T...
What will be the cost of painting the four walls of a room if the rate of painting is Rs. 20 per square metre?
I. Perimeter of the floor is 52 m....
A train crosses another train running in the opposite direction in 25 seconds. What is the speed of the train?
I. Both the trains are running at ...
What is the value of a two digit number?
Statement I: The sum of the digits of the number is 9.
Statement II: The digit at the tens...
In each of the following questions, a question is followed by information given in three statements. You have to study the question along with the stat...
The two mixtures are called "P" and "Q." Only oil and diesel are contained in each of them. There are 500 liters of mixture "Q" in total. Determine how ...
Akash and Bhavna together can complete a work in 12 days. How many days will it take for Akash to do the same work alone?
...
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.
What is the speed of man in still water?
Statement I : The speed of man in still water is twice the speed of the stream.
Statement II ...
