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