Infosys Test #1
Puzzles

1. Father’s age is three years more than three times the son’s age.
After three years, father’s age will be ten years more than twice
the son’s age. What is the father’s present age?

Ans: 33 years. (2 marks)

2. Find the values of each of the alphabets.

N O O N
S O O N
+ M O O N
———-
J U N E

Ans: 9326 (2 marks)

3. There are 20 poles with a constant distance between each pole
A car takes 24 second to reach the 12th pole.
How much will it take to reach the last pole?

Ans: 41.45 seconds (2 marks)

Let the distance between two poles = x
Hence 11x:24::19x:?

4. A car is traveling at a uniform speed.
The driver sees a milestone showing a 2-digit number.
After traveling for an hour the driver sees another milestone
with the same digits in reverse order.
After another hour the driver sees another milestone containing
the same two digits. What is the average speed of the driver?

Ans: 45 kmph (4 marks)

5. The minute and the hour hand of a watch meet every 65 minutes.
How much does the watch lose or gain time and by how much?

Ans: Gains; 5/11 minutes (4 marks)

6. Ram, Sham and Gunman are friends.
Ram is a widower and lives alone and his sister takes care of him.
Sham is a bachelor and his niece cooks his food and looks after
his house. Gunman is married to Gita and lives in large house in the same
town.
Gita gives the idea that all of them could stay together in the house
and share monthly expenses equally. During their first month of
living together, each person contributed Rs.25.
At the end of the month, it was found that Rs 92 was the expense so the
remaining amount was distributed equally among everyone.
The distribution was such that everyone received a whole number of Rupees.
How much did each person receive?

Ans. Rs 2 (4 marks)
(Hint: Ram’s sister, Sham’s niece and Gunman’s wife are the
same
person)

7. Four persons A, B, C and D are playing cards.
Each person has one card, laid down on the table below him, which has
two different colors on either side.
The colors visible on the table are Red, Green, Red and Blue.
They see the color on the reverse side and give the following comment.

A: Yellow or Green
B: Neither Blue nor Green
C: Blue or Yellow
D: Blue or Yellow

Given that out of the 4 people 2 always lie find out the colors on the
cards each person.

(5 marks)