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Frequently Asked Orkut Math Questions and Answer

(#M40003568) ORKUT QUESTION Toss and dice Keep an EYE

Q. In a game, the 1st person tosses a coin. If the outcome is head, he throws a dice and the result is recorded as his score and he gets one more chance to toss the coin. If the outcome is tail then the next person gets a chance to toss the coin. What is the probability that a person scores 35 points after 6 tosses in this game?

Option
a) (1/32)(1/6)^5
b) (1/32)(1/6)^6
c) (1/64) (1/6)^6
d) (1/64) (1/6)^5

Asked In Orkut Atul (7 years ago)

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(#M40000328) ORKUT QUESTION Watch the watch Keep an EYE

Q. The minute and the hour hand of a watch meet every 65 minutes. How much does the watch lose or gain time and by how much?

Asked In Orkut Dolly (9 years ago)

Solved C.T.Narayanan Read Solution (5)

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(#M40002113) ORKUT QUESTION mangoes Keep an EYE

Q. A man has two bags with 10 mangoes each. On his way home he needs to cross five gates which are guarded by watchmen. Every gate the man crosses, that gate's watchmen will take out two mangoes from each bag with mangoes. Can the man take home any mangoes after crossing all five gates. If yes how many and how?

Asked In Orkut Sahil (7 years ago)

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(#M40002641) ORKUT QUESTION Making soap bars Keep an EYE

Q. When manufacturing bars of soap, the cutting machine produces scraps. The scraps from 11 bars of soap can be made into one extra bar. What is the total number of bars that can be made after cutting 250 bars of soap?

Asked In Orkut Rohit (7 years ago)

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(#M40002112) ORKUT QUESTION next number Keep an EYE

Q. Find next no in series.

10, 67, 130, 223, ....

Asked In Orkut Sahil (7 years ago)

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(#M40002111) ORKUT QUESTION workers Keep an EYE

Q. A group of workers was put on a job. From the second day onwards, one worker was withdrawn each day. The job was finished when the last worker was withdrawn. Had no worker been withdrawn at any stage, the group would have finished the job in two-thirds of the time. How many workers were there in the group?

Asked In Orkut Sahil (7 years ago)

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(#M40000329) ORKUT QUESTION Catch a thief Keep an EYE

Q. A police officer caught a thief. In cross examination the lawyer of accused asked the police officer how he could catch up with the accused who was already 27 steps ahead of him. "Yes sir",the officer replied. "He takes 8 steps to every 5 steps of mine", then the lawyer said "if that was the case,how could u ever catch?" "i have got a long stride.2 steps of mine are equal to his 5",replied the officer. A member of jury who was good at quick calculations figured out the number of steps the officer must have taken to catch the thief. can u find it? (initial 27 steps is that of thief's)

please give detailed soluction to this.

Asked In Orkut Dolly (9 years ago)

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(#M40002643) ORKUT QUESTION Rolling coin Keep an EYE

Q. How many times does a coin rotate in rolling completely about another coin, of the same size, without slipping?

Asked In Orkut Rohit (7 years ago)

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(#M40000584) ORKUT QUESTION painting a window Keep an EYE

Q. My room has a square window of 4 feet across and 4 feet down. I decided to get only half the area of the window painted. Even after the painting, I found that the clear part of the window still remained a square and still measured 4 feet from top to bottom and 4 feet from side to side. How is it possible?

Asked In Orkut DIPIN (8 years ago)

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(#M40000311) ORKUT QUESTION checking wires Keep an EYE

You're an electrician working at a mountain. There are N wires running from one side of the mountain to the other. The problem is that the wires are not labeled, so you just see N wire ends on each side of the mountain. Your job is to match these ends (say, by labeling the two ends of each
wire in the same way).

In order to figure out the matching, you can twist together wire ends, thus electrically connecting the wires. You can twist as many wire ends as you want, into as many clusters as you want, at the side of the mountain where you happen to be at the time. You can also untwist the wire ends at the side of the mountain where you're at. You are equipped with an Ohm meter, which lets you test the connectivity of any pair of wires. (Actually, it's an abstract Ohm meter, in that it only tells you whether or not two things are connected, not the exact resistance.)

You are not charged [no pun intended] for twisting, untwisting, and using the Ohm meter. You are only charged for each helicopter ride you make from one side of the mountain to the other. What is the best way to match the wires? (Oh, N>2, for there is no solution when N=2.)

Asked In Orkut Bawa (8 years ago)

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