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Sample test paper
Q. A man leaves office daily at 7pm A driver with car
comes from his home to pick him from
office and
bring back home
One day he gets free at 5:30 and instead of waiting for
driver he starts walking towards home. In the way he
meets the car and returns home on car He reaches home 20
minutes earlier than usual. In how much time does the
man reach home usually??
Ans. 1hr 20min
Q The following truth table is given What is Y equal
to??
|
A |
B |
C |
Y |
|
0 |
0 |
0 |
1 |
|
0 |
0 |
1 |
1 |
|
0 |
1 |
0 |
0 |
|
0 |
1 |
1 |
0 |
|
1 |
0 |
0 |
0 |
|
1 |
0 |
1 |
0 |
|
1 |
1 |
0 |
1 |
|
1 |
1 |
1 |
1 |
Ans. (A')(B')(AB) , where
' stands for complement.
Q. A works thrice as much as B. If A takes 60 days less
than B to do a work then find the number of days it
would take to complete the work if both work together?
Ans. 22˝days
Q. How many 1's are there in the binary form of 8*1024 +
3*64 + 3
Ans. 4
Q. In a digital circuit which was to implement (A B) + (A)XOR(B),
the designer implements (A B) (A)XOR(B)
What is the probability of error in it ?
Q. A boy has Rs 2. He wins or loses Re 1 at a time If he
wins he gets Re 1 and if he loses the game he loses Re
1.He can loose only 5 times. He is out of the game if he
earns Rs 5. Find the number of ways in which this is
possible?
Ans. 16
Q. If there are 1024*1280 pixels on a screen and each
pixel can
have around 16 million colors Find the memory required
for this?
Ans. 4MB
Q. On a particular day A and B decide that they would
either speak the truth or will lie. C asks A whether he
is speaking truth or lying? He answers and B listens to
what he said. C then asks B what A has said B says "A
says that he is a liar"What is B speaking ?
(a) Truth
(b) Lie
(c) Truth when A lies
(d) Cannot be determined
Ans. (b)
Q. What is the angle between the two hands of a clock
when time is 8:30Ans. 75(approx)
Q. A student is ranked 13th from right and 8th from
left. How many students are there in totality ?
Q. A man walks east and turns right and then from there
to his left and then 45degrees to his right.In which
direction did he go
Ans. North west
Q. A student gets 70% in one subject, 80% in the other.
To get an overall of 75% how much should get in third
subject.
Q. A man shows his friend a woman sitting in a park and
says that she the daughter of my grandmother's only
son. What is the relation between the two
Ans. Daughter |
