Mathematics-Statistics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 8 - 12 of 12

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Question number: 8

» Mathematics » Statistics

MCQ▾

Question

A card is drawn from a well shuffled pack of cards. The probability of getting a queen of club or a king of heart is

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 9

» Mathematics » Statistics

MCQ▾

Question

The mean of 78 numbers is 27. If each observation is divided by 3, the new mean is

Choices

Choice (4) Response

a.

9

b.

27

c.

18

d.

None of the above

Question number: 10

» Mathematics » Statistics

MCQ▾

Question

If the mean and median of a set of numbers are 8.9 and 9 respectively, then the mode will be

Choices

Choice (4) Response

a.

8.2

b.

9.2

c.

10.2

d.

7.2

Question number: 11

» Mathematics » Statistics

MCQ▾

Question

For the data 1,2, 2,3, 3,3, 4,4, 4,4, …, 9,9, the product of mean and mode equals to

Choices

Choice (4) Response

a.

9

b.

285

c.

57

d.

45

Question number: 12

» Mathematics » Statistics

MCQ▾

Question

Ram’s income is more than that of Shyam. By how much percent is Shyam’s income is less than that of Ram?

Choices

Choice (4) Response

a.

b.

c.

d.

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