Mathematics-Playing With Numbers (NSTSE Class 6): Questions 67 - 75 of 83

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Question number: 67

» Mathematics » Playing With Numbers

MCQ▾

Question

The least number which when divided by 16, 18, 24 leaves in each case a remainder of 5 is

Choices

Choice (4) Response

a.

148

b.

144

c.

140

d.

149

Question number: 68

» Mathematics » Playing With Numbers

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Question

The greatest number that will divide 162, 122 and 142 leaving a remainder of 2 in each case is

Choices

Choice (4) Response

a.

22

b.

120

c.

20

d.

30

Question number: 69

» Mathematics » Playing With Numbers

MCQ▾

Question

The number 623273 is divisible by

Choices

Choice (4) Response

a.

5

b.

7

c.

All of the above

d.

None of the above

Question number: 70

» Mathematics » Playing With Numbers

MCQ▾

Question

The HCF of 15, 20 and 30 is

Choices

Choice (4) Response

a.

5

b.

20

c.

15

d.

10

Question number: 71

» Mathematics » Playing With Numbers

MCQ▾

Question

The LCM of two numbers is X and their HCF is Y. So, the sum of two numbers is

Choices

Choice (4) Response

a.

XY

b.

X+Y

c.

XY

d.

YX

Question number: 72

» Mathematics » Playing With Numbers

MCQ▾

Question

The number of prime numbers between 2 and 15 are

Choices

Choice (4) Response

a.

5

b.

4

c.

3

d.

6

Question number: 73

» Mathematics » Playing With Numbers

MCQ▾

Question

Difference between a prime (18) and a composite (30) number is

Choices

Choice (4) Response

a.

19

b.

23

c.

12

d.

30

Question number: 74

» Mathematics » Playing With Numbers

MCQ▾

Question

60 is written as the product of primes as

Choices

Choice (4) Response

a.

2 ×2×5

b.

2 ×2×3×5

c.

2 ×2×3

d.

2 ×5

Question number: 75

» Mathematics » Playing With Numbers

MCQ▾

Question

Observe the following table of sum of odd numbers and multiplication of same pair numbers. Then find the sum of odd numbers from 1 to 29.

Table of Sum of odd numbers &Multiplication of same pair number

Table of Sum of Odd Numbers &Multiplication of Same Pair Number

Table shows Sum of odd numbers and Multiplication of same pair number gives equal value

Choices

Choice (4) Response

a.

227

b.

100

c.

121

d.

225

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