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Originally Posted by raka_21 no formula as such...might be there i dono..
just visualise the cube has 8 corners all having 3 painted sides..
between any two corners, u get a two painted side..total mounts to 12..
on any face of cube at the centre u have a single painted side..six sides so 6 ans..
and no painted side is only one at the center of the cube..non visible.. |
plz solve it
1.Two people X & Y walk on the wall of a godown in opposite direction.They meet at a point on one side and then go ahead. X after walking for sometime,walks in opposite direction for 15 mtrs.Then again he turns back and walks
in the original direction. What distance did Y walk before they met again,
if X walks 11 mtrs by the time Y walks 8 mtrs.
2.A rope ladder was left down from a ship. 12 steps of the ladder were
exposed at 10:00 am. The queen who was going to visit the ship, said she would
visit at 1:00 pm as she would have to climb lesser number of steps then. The
tide in the sea increases from morning to afternoon at the rate of 1.2 meters
per hour. The distance between any 2 steps of the ladder is 0.4 mts. How many
steps will the queen have to climb?
3.A gardener plants 100 meters towards east, next 100 meters towards
north,next 100 meters towards west. 98 meters towards east, 96 meters towards
north and 96 meters towards west, 94 meters towards south. and 94 meters towards
east and so on. If a person walks between the trees what is the total distance
travelled by him before he reaches the center.
4.A & B two places. C & D are two people. C started from A and D started from
B. When they meet each other in the way C traveled 18 m more than D. Then C
takes 13 and half a minute and D takes 24 minutes to reach the other end. What
was the distance between A & B.
5.In certain community, there are thousand married couples. Two thirds of the
husbands who are taller than their wives are also heavier and three quarters of
the husbands who are heavier than their wives are also taller. If there are 120
wives who are taller and heavier than their husbands, how many husbands are
taller and heavier than their wives?
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In the complete solution, there are four 5's.
7.A ten digit number whose first digit is the number of ones, second digit is the number of twos, third digit is the number of threes, fourth digit is the number of fours, fifth digit is the number of fives, sixth digit is the number of sixes, seventh digit is the number of sevens, eight digit is the number of eights, ninth digit is the number of nines and tenth digit is the number of zeros. what is that digit.
8.A survey was taken among 100 people to find their preference of watching T.V. programmes.
There are 3 channels. Given the no of people who watch
at least channel 1
at least channel 2
at least channel 3
no channels at all
atleast channels 1and 3
atleast channels 1 and 2
atleast channels 2 and 3
Find the no of people who watched all three.
9.L says all of my other four friends have money
M says that P said that exactly one among them has money
N says that L said that precisely two among them have money
O says that M said that three of the others have money
P, L and N said that they have money
All the above statement are false..
Who has money & who doesn't have any money?
10.In a box, there will be a certain number of papers in some order, each containing person name. A manager was asked to choose the people from the box randomly, say 5%.(ie., 5% of people should have to be taken). The manager picks first one and left the next, picks third one and left next 2 , and picks sixth one and left next 3. and goes on.When he picks the last one, it is actually the final one in the box.!!.. so he got 5% people from the box..
what was the total no of papers in the box ?
11.A & B two places. C & D are two people.c started from a and d started from b. when they meet each other in the way c traveled 18m more than d. than c takes 13 and half a minute and d takes 24 minutes to reach the other end.what was the distance between a & b.
12.Assume you have a huge cube. All the 6 sides of the cube are painted
red. Then 6 straight cuts are made across the cube to give 125 cubes
of equal size.
a) find the number of cubes with 3 sides painted red.
b) find the number of cubes with 2 sides painted red.
c) find the number of cubes with 1 side painted red.
d) find the number of cubes with no side painted red.
e) If all the cubes are put into a bag, and one cube is removed at
random, what is the probability that its surface pointing towards you
is red in colour?
13.(1) Ashland is north of East Liverpool and west of Coshocton
(2) Bowling Green is north of Ashland and west of Fredericktown
(3) Dover is south and east of Ashland
(4) East Liverpool is north of Fredricktown and east of Dover
(5) Fredricktown is north of Dover and west of Ashland
(6) Coshocton is south of Fredricktown and west of Dover
1)Which of the towns mentioned is furthest to the northwest ?
(a) Ashland
(b) Bowling Green
(c) Coshocton
(d) East Liverpool
(e) Fredericktown
2). Which of the following must be both north and east of Fredricktown?
(I) Ashland
(II) Coshocton
(III) East Liverpool
(a) I only
(b) II only
(c) III only
(d) I and II
(e) I and III
3. Which of the following towns must be situated both south and west of at
least one other town?
(a) Ashland only
(b) Ashland and Fredricktown
(c) Dover and Fredricktown
(d) Dover,Coshocton and Fredricktown
(e) Dover,Coshocton and East Liverpool
4. Which of the following statements, if true, would make the information
in the numbered statements more specific?
(a) Coshocton is north of Dover
(b) East Liverpool is north of Dover
(c) Ashland is east of Bowling Green
(d) Coshocton is east of Fredericktown
(e) Bowling Green is north of Fredericktown
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