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self Math Questions and Answer Page 16

(#M40037684) SELF QUESTION Keep an EYE

Which of the following numbers is exactly divisible by 24 ?
Option 1 : 35718 Option 2 : 63810 Option 3 : 537804 Option 4 : 3125736

Srishti Sinha (11 years ago)

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(#M40037683) SELF QUESTION Keep an EYE

What least value must be assigned to * so that the number 63576*2 is divisible by 8?

Srishti Sinha (11 years ago)

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(#M40037668) SELF QUESTION Cryptography Keep an EYE

Check it for steps to solve cryptography problems.All the best.

http://www.informguru.com/2013/01/solving-elitmus-cryptarithmetic.html

(11 years ago)

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(#M40037652) SELF QUESTION boats &streams Keep an EYE

person completes a journey in 15 hours, the first half at 12 kmh
"1 and the second half at 18
kmh
"1
. What is the total distance

(11 years ago)

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(#M40037651) SELF QUESTION boats &streams Keep an EYE

A man can row 5 kmh"1 in still water. If the stream is flowing at the speed of 3 kmh-1, it
takes him 15 hrs to row to a place and come back. What is the distance between the two
places?

Dinesh thatti (11 years ago)

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(#M40037649) SELF QUESTION ages Keep an EYE

The sum of the ages of a son and father is 65 years. After 5 years the age of father will be
double of the age of son. What is the age of son?

Dinesh thatti (11 years ago)

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(#M40037643) SELF QUESTION logical thinking Keep an EYE

there are 4 persons to cross the bridge.only two persons can cross at a time and they are having only one torch.their speeds to cross the bridge is 1min,2min,5min,10min. if two persons cross the bridge they cross with slowest persons speed.what is the minimum and maximum time takes to cross the bridge??

Shalini (11 years ago)

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(#M40037633) SELF QUESTION Catch the RAT Keep an EYE

Imagine a square which has 4 corners and 4 edges. FOUR cats are there in all 4 edges, Rat enters the square in one corner and travels through edges , At each edge ,the hungry cat ate an X no. of rats , and remaining rats pass through next corner where each of rat gets doubled in number(if 2 rats enters ,4 rats leaves the corner) , then to next edge where the same X amount of rat is eaten and so on, twist is that Rat has to leave the square through same corner , but none left at the end!!! My queston is HOW MANY ENTERED THE SQUARE !, HOW MANY EQUAL NUMBER OF RATS ARE EATEN BY THE CATS ! (minimum possible value) remember that equal no. of rats are eaten by cats...... All the best

RAAMASHAAMY (11 years ago)

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(#M40037623) SELF QUESTION logical thinking Keep an EYE

having 27 balls one ball is less weight.all are looking similar.with simple balance find minimum number of times we need to weigh to know which ball is less weight??

Shalini (11 years ago)

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(#M40037622) SELF QUESTION logical thinking Keep an EYE

having 10 cigarette packets.9 packets having 10 gram cigarettes but in 1 packet 11 gram cigarettes are there.we are having digital weighing machine and need to weigh only one time.how to find which packet is having 11 gram cigaretts??

Shalini (11 years ago)

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