Answer Posted / auli

40?

Pipe A can fill a tank in 30 mins and Pipe B can fill it in 28 mins.If 3/4th of the tank is filled by Pipe B alone and both are opened, how much time is required by both the pipes to fill the tank completely ?

1126

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maths

2470

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The average of 4 consecutive even numbers is 27. What is the largest number?

1173

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A sequence is given. You should find out error & write correct 1 2 5 10 13 26 29 48.

1211

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If m-4 is 7 more than n then m+9 is how much more than n+2

1218

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If the circumference of a circle is 100 units, Then what will the length of the arc described by an angle of 20 degree ?

1143

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the probability of getting at least in a single through of three coins is

1183

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Given the length of the 3 sides of a triangle.Find the one that is impossible? (HINT : sum of smaller 2 sides is greater than the other one which is larger)

1239

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It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train?

1360

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Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him. What is the length of faster train?

1178

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A student gets 70% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.

1303

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If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors Find the memory required for this?

1435

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A triangle has sides of lengths 10, 24 and k. k is a positive integer. The number of values of k for which this triangle has three acute angles is

1554

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The ratio of the length : breadth : height of a cuboid is 5 : 4: 3, and the volume is 7500. What will be its surface area ?

1329

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A cylinder is inserted in a sphere d/h = 2/3. Find the surface area of the cylinder ?

1667

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