Answer Posted / dinesh

17

Four persons can cross a bridge in 3, 7, 13, 17 minutes. Only two can cross at a time. Find the minimum time taken by the four to cross the bridge.

1295

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a man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is?

1374

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There are 1000 doors that are of the open-close type. When a person opens the door he closes it and then opens the other. When the first person goes he opens-closes the doors ion the multiples of 1 i.e., he opens and closes all the doors. When the second goes he opens and closes the doors 2, 4 6 8 rely. Similarly when the third one goes he does this for 3 6 9 12 15th doors rely. Find number of doors that are open at last.

1368

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A fruit seller had some balls. He sells 40% balls and still has 420 balls. How many balls he had initially?

1443

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Petrol prices increased by 40% expected hike in taxi & auto charges so, people may use public transport systems. What do you infer?

1125

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1992 Feb have 5 Sundays. In which year, the month Feb have 5 Sundays next?

1146

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From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?

1303

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Two trains are travelline at equilateral .Train A is travelling in the direction of earths spin.Other train B is travelling in opposite direction of earths spin.Which trains wheels will wear first?and why?

1595

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A fly is there 1 feet below the ceiling right across a wall length is 30m at equal distance from both the ends. There is a spider 1 feet above floor right across the long wall eqidistant from both the ends. If the width of the room is 12m and 12m, what distance is to be travelled by the spider to catch the fly? if it takes the shortest path.

1444

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five cities. city1 is west to city3. city4 is east to city 5.__ etc.which is farthest on west side.

3799

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Y catches 5 times more fishes than X. If total number of fishes caught by X and Y is 48, then number of fishes caught by X?

1260

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An article sold at a profit of 20% if both the cost price and selling price would be Rs.20/- the profit would be 10% more. What is the cost price of that article?

1270

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There is 12 perls. One of them is either light or heavy than others. There is a weighing pan. How many trials are needed to find the exceptional one.

1182

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Find the Next Series Nuumber 21, 463, 687, 238, 1134, ----

1238

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vernanlar : place :: finger print : ?

1079

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