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Worksheets

Young Data Scientist

Total questions: 20

Worksheet time: 27mins

Name
Class
Date
1.

Guess the next three letters in the series: GTNTL

a)

TST

b)

ITS

c)

UTC

d)

None of the above

2.

A short man takes three steps to a tall man's two steps. They both start out on the left foot. How many steps do they have to take before they are both stepping out on the right foot together?

a)

6

b)

15

c)

24

d)

It can never happen

3.

Tara wears socks of two different colours: white and brown. She keeps them all in the same drawer in a state of complete disorder. She altogether has 20 white and 20 brown socks in the drawer. Supposing she has to take out the socks in the dark, how many must she take out to be sure that she has a matching pair?

a)

31

b)

11

c)

21

d)

None of the above

4.

When Jim acquired his Benz car, the first thing he had to do was to get a license plate. The plate he got had a peculiar number on it. It consisted of five different numbers and by mistake when he fixed it upside down, the value had increased by 78633. What was his actual license number?

a)

10198

b)

10968

c)

19869

d)

10906

5.

Three years ago, a friend offered me a used typewriter for Rs. 1024. A year later, he offered me the same typewriter for Rs. 640 and last year he wanted Rs. 400. and now he is willing to sell it to me for Rs. 250. But I have decided to buy it when he reduces it the next time. At what price will he offer it to me next year?

a)

100.50

b)

172.75

c)

120

d)

156.25

6.

There is a number whose double is greater than the half by 45. Can you find this number?

a)

75

b)

25

c)

45

d)

30

7.

A heavy tree trunk can be sawed into a 12 ft. long piece in one minute. How long will it take to saw it into 12 equal pieces?

a)

11 minutes

b)

12 minutes

c)

13 minutes

d)

Information provided is not enough to calculate the answer

8.

There is a number which is greater than the aggregate of its third, tenth and the twelfth parts by 58. What is this number?

a)

240

b)

120

c)

180

d)

60

9.

How many triangles are there in this picture?

a)

6

b)

7

c)

8

d)

9

10.

What is the code to this lock?

a)

284

b)

062

c)

146

d)

042

11.

There is a bus with 100 labeled seats (labeled from 1 to 100). There are 100 persons standing in a queue who are also labelled from 1 to 100. People board on the bus in sequence from 1 to n. The rule is, if person ‘i’ boards the bus, he checks if seat ‘i’ is empty. If it is empty, he sits there, else he randomly picks an empty seat and sits there. Given that 1st person picks seat randomly, find the probability that 100th person sits on his place i.e. 100th seat.

a)

1/100

b)

99/100

c)

50/100

d)

Cannot be determined

12.

In a deck of cards, what is the least amount of cards you must draw so that the occurrence of any one value of all four types is guaranteed?

a)

14

b)

40

c)

4

d)

27

13.

P, Q, R, S and T are five speakers who have to speak on a particular day, not necessarily in the same order. R is neither the first nor the last speaker. There are three speakers after S and three speakers ahead of T. If P speaks after Q, then who is the last speaker to speak?

a)

P

b)

T

c)

S

d)

None of the above

14.

What is 1GB?

a)

1000 KB

b)

1024 KB

c)

210 MB

d)

1000 MB

15.

What does ASCII stand for?

a)

Australian Standard Code for Information Interface

b)

American Standard Cord for Information Interchange

c)

Algorithmic Standard Cord for Information Interchange

d)

American Standard Code for Information Interchange

16.

What is heavier?

A pound of Dry Ice or a pound of Osmium?

a)

Dry Ice

b)

Osmium

c)

Water

d)

None of the above

17.

A chemise and a T-shirt cost $110. If the T-shirt cost $100 more than the chemise, how much does the T-shirt cost?

a)

$100

b)

$102

c)

$105

d)

$90

18.

Each boy in a family has as many sisters as brothers but each girl has twice as many brothers as sisters.

How many boys are there?

a)

3

b)

4

c)

2

d)

10

19.

A fraction has the denominator greater than its numerator by 6. But if you add 8 to the denominator,the value of the fraction becomes 1/3.

Whats the denominator?

a)

7

b)

6

c)

13

d)

21

20.

What day comes three days after the day which comes two days after the day which comes immediately after the day which comes two days after Monday?

a)

Thursday

b)

Monday

c)

Tuesday

d)

Wednesday