Mathematics (NSTSE (National Level Science Talent Search Examination) Class 5): Questions 191 - 198 of 750

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Question number: 191

» Mathematics » Factors and Multiples

MCQ▾

Question

Which of the following are two consecutive prime numbers that differ by 2?

Choices

Choice (4) Response

a.

Composite numbers

b.

Co-primes

c.

Twin primes

d.

All of the above

Question number: 192

» Mathematics » Factors and Multiples

MCQ▾

Question

When a number X is added to 6, the sum is divisible by 8. What could the number X be?

Choices

Choice (4) Response

a.

34

b.

41

c.

39

d.

12

Question number: 193

» Mathematics » Factors and Multiples

MCQ▾

Question

Identify the numbers which have at least 1 factor other than 1 and itself.

Choices

Choice (4) Response

a.

Prime numbers

b.

Co-prime numbers

c.

Twin numbers

d.

Composite numbers

Question number: 194

» Mathematics » Fractions

MCQ▾

Question

Identify the largest fraction among the following.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 195

» Mathematics » Factors and Multiples

MCQ▾

Question

What is the H. C. F. of two co-prime numbers?

Choices

Choice (4) Response

a.

2

b.

0

c.

1

d.

Their product

Question number: 196

» Mathematics » Factors and Multiples

MCQ▾

Question

A box had some pens in it. When the pens are distributed equally to 15 children, none remained but while distributing to 16 children, 6 children got 1 pen less than the others. How many pens were there in the box?

Choices

Choice (4) Response

a.

86

b.

90

c.

96

d.

75

Question number: 197

» Mathematics » Fractions

MCQ▾

Question

What is the sum of the reciprocals of 7 and Equation ?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 198

» Mathematics » Factors and Multiples

MCQ▾

Question

What are the common factors of 12 and 42?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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