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. 22½days
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
