Mathematics-Probability (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 8 - 12 of 12

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Question number: 8

» Mathematics » Probability

MCQ▾

Question

An unbiased dice is rolled twice, what is the probability of not getting a 2 in any one of the two rolls?

Choices

Choice (4) Response
a.

2536

b.

3536

c.

13

d.

512

Question number: 9

» Mathematics » Probability

MCQ▾

Question

A bag contains 20 balls out of which x are black. If 10 more black balls are put in the box, the probability of drawing a black ball is double of what it was before. The value of x is

Choices

Choice (4) Response
a.

40

b.

10

c.

5

d.

0

Question number: 10

» Mathematics » Probability

MCQ▾

Question

In a single throw of a dice, what is the probability of getting a number greater than 4?

Choices

Choice (4) Response
a.

15

b.

14

c.

12

d.

13

Question number: 11

» Mathematics » Probability

MCQ▾

Question

If a carton containing a dozen mirrors is dropped which of the following cannot be the ratio of the broken mirror to unbroken mirror?

Choices

Choice (4) Response
a.

1: 1

b.

3: 2

c.

1: 2

d.

5: 1

Question number: 12

» Mathematics » Probability

MCQ▾

Question

From 1 to 100 numbers, 3 numbers are selected at random, what is the probability that the numbers selected will have an odd sum?

Choices

Choice (4) Response
a.

12

b.

38

c.

14

d.

18

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