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 8:30
Ans. 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
