Mathematics-Probability (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 7 of 12

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Question number: 1

» Mathematics » Probability

MCQ▾

Question

The mid value of a class interval is 42. If the class size is 10, then the upper and lower limits of the class are

Choices

Choice (4) Response

a.

47.5 and 37.5

b.

47 and 37

c.

37.5 and 47.5

d.

37 and 47

Question number: 2

» Mathematics » Probability

MCQ▾

Question

Two coins are tossed simultaneously. The probability of getting one head is

Choices

Choice (4) Response

a.

1/4

b.

1/2

c.

1/3

d.

3/4

Question number: 3

» Mathematics » Probability

MCQ▾

Question

What is the probability of getting at least one head when two coins are tossed simultaneously?

Choices

Choice (4) Response

a.

0.5

b.

0.66

c.

0.75

d.

0.25

Question number: 4

» Mathematics » Probability

MCQ▾

Question

Out of the letters E, T and N, a 3-letter word is formed at random using all the 3 letters. What is the probability that the word formed is TEN?

Choices

Choice (4) Response

a.

0.33

b.

0.67

c.

0.17

d.

0.5

Question number: 5

» Mathematics » Probability

MCQ▾

Question

Mohan lies on 3 days out of the 7 days in a week, whereas Ram lies on 4 days out of 6 days of a week. If both of them were asked a question, what is the probability that both gave a true reply?

Choices

Choice (4) Response

a.

17

b.

421

c.

521

d.

27

Question number: 6

» Mathematics » Probability

MCQ▾

Question

A coin is tossed 5 times. What is the probability of getting number of heads more than the number of tails?

Choices

Choice (4) Response

a.

532

b.

12

c.

132

d.

13

Question number: 7

» Mathematics » Probability

MCQ▾

Question

When two dice are rolled together, the probability of getting an even number on one dice and a multiple of 3 on the other, is

Choices

Choice (4) Response

a.

16

b.

736

c.

49

d.

536

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