sbgnfnm


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< Country > india
* Profession * dmtm
User No # 2714
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Total Answers Posted # 23

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Answers / { sbgnfnm }

Question { Wipro, 19306 }

a sum 's' is devided into 4 parts.second person gets Rs 10
more than first.3rd person is Rs 10 more than second, 4th
is 10 more than 3rd. how much amount do 1st person get.


Answer

1st gets 15 RS less than average

4x+60=s

x=(s-60)/4 = s/4-15

s/4 is average

1st gets 15 RS less than average

Is This Answer Correct ?    15 Yes 4 No

Question { 21181 }

There are 3 persons X, Y and Z. On some day, X lent
tractors to Y and Z as many as they had. After a month Y
gave as many tractors to X and Z as many as they have.
After a month Z did the same thing. At the end of this
transaction each one of them had 24.

Find the tractors each originally had?


Answer

x=36
y=24
z=12


do reverse calculation

z y x total
after transaction 24 24 24 72
last transaction 48 12 12 72
second transaction 24 42 6 72
first transaction 12 24 36 72

maintaine 72 as total

Is This Answer Correct ?    8 Yes 14 No


Question { Morgan Stanley, 33850 }

There are 9 coins. Out of which one is odd one i.e weight
is less or more. How many iterations of weighing are
required to find odd coin?


Answer

ans: 3 iterations

divide coins in batches of 3

do 2 iterations of the batches u would know which is
defective batch and also wheather its lighter r heavier.

in another iteration of defective batch u would find
defective coin.

Is This Answer Correct ?    15 Yes 27 No

Question { Microsoft, 70500 }

There are 3 baskets. one of them have apples, one has
oranges only and the other has mixture of apples and
oranges. The labels on their baskets always lie. (i.e. if
the label says oranges, you are sure that it doesn't have
oranges only,it could be a mixture) The task is to pick one
basket and pick only one fruit from it and then correctly
label all the three baskets.


Answer

take one fruit from the basket named mixed

you would be able to correctly label all basket

hard to explain but easy to think in mind

Is This Answer Correct ?    43 Yes 17 No

Question { HCL, 31943 }

If second no is twice the first no and first no is thrice
the third no.Their avg is 20.Find the greatest no?


Answer

let x,y,z be numbers in order
y=2x,x=3z
(x+y+z)/3=20
(x+2x+(x/3))/9=20
solving
x=18
y=36
z=6


so largest is y=36

Is This Answer Correct ?    64 Yes 6 No

Question { L&T, 25656 }

6*12*15 is the volume of some material. How many cubes of
edge 3 can be inserted into it?


Answer

ans: 40


6/3*12/3*15/3=40

Is This Answer Correct ?    43 Yes 4 No

Question { L&T, 22223 }

Distance between two poles is 50 meters. A train goes by 48
at a speed of kmph. In one minute how many poles will be
crossed by the train ?


Answer

16 poles per min


48kmph=48000 meters per hr
=800 meters per min
800/50=16 poles per min

Is This Answer Correct ?    23 Yes 9 No

Question { L&T, 26720 }

If he sells 40 mangoes, he will get the selling price of 4
mangoes extra, What is his percentage increase in profit ?


Answer

10 percent

Is This Answer Correct ?    59 Yes 20 No

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