A can copy 50 papers in 10 hrs., while A & B can copy 70 papers in 10 hrs. How many hours are required for B to copy 26 papers?
A can copy 50 papers in 10 hrs., while A & B can copy 70 papers in 10 hrs.
It means B can copy 20 papers in 10 hrs.
Then time taken by B to copy 26 papers = 26 $\times$ 10/20 = 13 hours.
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A man travels by bus for 20 hours and they by train for 05 hours. if the average speed of the bus was 20 kmph and that of the entire journey was 24 kmph. What was the average speed of the train? |
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The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by: |
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The average salary per month of 30 employees in a company is Rs. 4000. If the manager`s salary is added, the average salary increases to Rs. 4300, what is the salary of the manager? |
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The ratio of the ages of A and B is 9:5. After 8 years B would reach the present age of A. Find the present ages of B and A respectively. |
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Find $[(4/7) ^3-(3/7) ^3]/ [(4/7) ^2-(3/7) ^2]$ =? |
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The average weight of 8 men is increased by 1.5 kg when one of the men who weighs 65 kg is replaced by a new man. The weight of the new man is: |
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If radius of a circle is diminished by 10% then its area is diminished by |
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Coding-Decoding: If GERMANY is written as 7, 5, 18, 13, 1, 14, 25, how can FRANCE be written in that code? |
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Direction sense: Rohit walked 25 meters towards South. Then he turned to his left and walked 20 meters. He then turned to his left and walked 25 meters. He again turned to his right and walked 16 meters. At what distance is he from the starting point and in which direction? |
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Seating Arrangement: A, B, C, D, E, F and G are sitting in a row facing North: F is to the immediate right of E. E is 4th to the right of G. C is the neighbor of B and D. Person who is third to the left of D is at one of ends. Who are to the left of C? |
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