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Zs questions
BE Electrical and Electronics (Panjab University)
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2 friends, A and B often contradict each other. A speaks the truth 3 out of 4 times and B speaks
the truth 5
out of 6 times. What is the probability that they will contradict each other in stating the outcome
of the
same event?
ANS- ⅓
The average age of Macbeth and his two children is 17 years and the average age of Macbeth's
wife and the
two same children is 16 years. If the age of Macbeth is 33 years, then what is the age of his
wife?
ANS- 30
A cupboard has three drawers; one drawer has 6 red and 4 green balls, the other has 5 green
balls and the
third one has 4 red balls. One ball is randomly drawn from any one drawer, also chosen
randomly.
What is the probability that the chosen ball is red? ANS- 8/15
30 Teachers of a school teach either French or Math. 15 of them teach French out of which 7
teach both the
subjects. The number of teachers teaching math only is: ANS - 15
Three friends Alice, Bond and Charlie divided Rs. 2,210 amongst them in such a way that if Rs.
17, Rs. 10 and
Rs. 18 are deducted from the sums that Alice Bond and Charlie received respectively, then the
resultant ratio
of their sums received will be 133:171:129. How much sum did Charlie receive? ANS- 633
There are 6 points on a plane. Out of these 6 points, if 3 are collinear, then how many triangles
can be
formed using the given 6 points? ANS- 19
In a company, there are 45 employees in advertising department and 67 employees in
marketing
department. If 22 employees are part of both the departments, then what will be the number of
employees
who are either in advertising or marketing departments? ANS - 90
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In a certain code,
'sports are good exercise for human' is written as 'soh, vih, tho, khi ool, ewc
exercise make fit' is written as soh, kit, ylp*
good things human fit' is written as tho, ylp, nip, vih*
"playing exercise for is written as 'ooi, msp, soh'
"things are creative' is written as "nip, khi, mst'
What does viht stand for? ANS- either good or human
There are five students in a group: Roger, Martin Peter, Gary and Katherine
1. Roger received a higher grade than Martin but not as high as Peter.
2. Peter received a higher grade than Gary and Katherine.
3. Gary received a lower grade than Martin.
4. Gary did not receive the lowest grade.
5. Roger received the second highest grade.
If the first four statements are true, then the fifth statement is: ANS- TRUE
Sarn walks straight from point A to a point B, which is 6 km away from point A towards the east.
He turns
left, at 90 degrees and walks 10 km to C, where he tums left again at 90 degrees and walks 8
km to D. At D
he turns left at 90 degrees and walks for 10 km to E. How far is (in km) A from E? ANS- 2km
1. Jack is younger than Kate.
2 Mark was born after Jack
3. Kate is older than Mark.
If the first two statements are true, the third statement is: ANS- TRUE
Six people, A B, C. D, E, and f, are sitting in two rows of three persons each in such a way that
the people in
one row face the people in another row. E is not at the end of any row. D is second to the left of
F. C is the neighbor of E and is sitting diagonally opposite to D. B is the neighbor of F. Who is
facing B? ANS - E
Paul is sixteenth from the front of the row and adjacent to John. who is three places in front of
Sam. Sam is adjacent to Mark and five places in front of Adam who has Paul at seventh place in
front of him. Find the total number of people in the row if there are three people between John
and Mark and Mark is twenty third from the back. ANS - 41
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Six people sat in two rows of three seats in each row. Three people in one row sat
opposite to the three people of another row. A sat to the left of B. C was sitting
diagonally opposite to A E sat opposite to F. D was not in the same row as A. Which of
the following options is true in this case? ANS- B sat diagonally opposite to D
There is a family of six people, U, V, W, X, Y, and Z. They have six different zodiac signs,
namely Libra, Gemini, Taurus, Scorpio, Cancer, and Aries. There are two married couples
O
Libra
in-law of U. Y is an unmarried person with the zodiac sign, Cancer, and U is the
grandmother of Z. What is V's zodiac sign? ANS- Gemini
If deer is bear" is coded as "la ra tee". "all are bear* is coded as "tee se re" and *deer are stupid"
is coded as *re ra po", then how is "stup$ is bear' coded in that language?
ANS- laa tee po
1. Brand A is offering Flat 50% discount on all its products.
2. Brand B is offering Upto 70% discount on all its products.
3. Of two pairs of jens bought from both the brands which were at the same marked
price, Jeans of brand 8 will be cheaper.
If the first two statements are true, the third statement is: ANS- TRUE
The distance between S and R is 13m and distance between S and Q is 20m. P lies
between S and R. The distance between P and T is 25m. T is placed immedlite after Q
The distance between P and R is 9m. What is the distance between P and Q. if all of
them lie in the same line? ANS- 16
Consider the following assumptions and answer the given question.
X@ Y means Y is at 1 meter (m) south of X
X # Y means Y is di1 m east of X.
X & Y means Y at 1m north of X.
X * Y means Y is at 1m west of X.
According to the code, Q&B*P, in which direction is P with respect to Q if Q is
facing north? ANS- North-East
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If PLANT is coded as '63', ANNA is coded as '30'. SOAP is coded as '51' and LEAP is
coded as '34' then MAPLE is coded as: ANS- 47
There are five students in a group: Roger, Martin, Peter, Gary and Katherine
1. Roger received a higher grade than Martin but not as high as Peter.
2. Peter received a higher grade than Gary and Katherine.
3. Gary received a lower grade than Martin.
4. Gary did not receive the lowest grade.
5. Roger received the second highest grade.
If the first four statements are true, then the fifth statement is: ANS- True
In a swimming competition, out of 40 participants, 12 enrolled for both freestyle and
butterfly strokes. 22 enrolled for only butterfly stroke. If all the participants enrolled for
at least one of the two strokes, then how many participants enrolled for only freestye
and not buttertiv stroke? ANS- 18
A teacher asked 2 students, A and 8, to select 2 nurnbers (Integers) from a set of
numbers; for A, the range of the set was 2 to 6, both inclusive, and for B, the range was
4 to 11, both inclusive. What is the probability that they selected different numbers?
ANS – 37/40
in a school four boys Rom Sam mark Roy are made to stand in a row with each of them facing
East each boy is of different age Ron who is the oldest is the standing to the intermediate right
of mark mark is not the youngest row is at one of the end of the row and older than Sam mark
and are not standing adjacent to each other the youngest boy is at one of the end of the roof
who is among the four is at the rightmost end of the room. ANS- ROY
Each face of cube is painted with a distinct color from red, blue, gray, yellow,
purple and orange. Red colored face is adjacent to the blue colored face.
Gray colored face is opposite the yellow colored face. Which of the following
statements in necessarily true?
ANS- Orange colored face is adjacent to the gray colored face
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An express train runs between A and B and has five stoppages in between.
Find the number of
different kinds of one-way second class ticket that the railways will have to
print to service all
types of passengers who might travel by the express? Ans-21
A and B are connected via 3 routes. C and B are connected via 2 routes.
Assuming there are
just 3 nodes, what is the maximum number of routes which are possible?
ANS- 6
A fruit vendor sells oranges and apples piece wise. John had just enough
money to buy either:
(@) 100 apples and 150 oranges
(b) 50 apples and 225 oranges
Which one of the following equals the ratio of the cost of 100 apples to the
cost of 150
Oranges? ANS- 1:1
The average age of 12 players of a team without the captain is 25 years. If the
captain's age is
included. the average age increases by 1 year. What is the age of the
captain? ANS- 38 years
A bag contains 3 black balls, 4 white balls and 5 pink balls. If 3 balls are
drawn randomly.
successively without replacement, then what is the probability that exactly two
of them would
be white? ANS- 12/55
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