IMO- Mathematics Olympiad (SOF) Class 8: Questions 515 - 519 of 1029

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Question number: 515

» Exponents and Powers

MCQ▾

Question

Number of prime factors in is

Choices

Choice (4) Response

a.

65

b.

73

c.

70

d.

72

Question number: 516

» Exponents and Powers

Match List-Ⅰ List-Ⅱ▾

Question

Match the following provided that a and b are any rational numbers different from zero andx, y are any rational numbers.
List-Ⅰ (Uses Of Exponent Rules) List-Ⅱ (Term With Different Base And Same Exponent)

(A)

(i)

(B)

(ii)

(C)

(iii)

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)

a.

  • (ii)
  • (i)
  • (iii)

b.

  • (i)
  • (ii)
  • (iii)

c.

  • (i)
  • (iii)
  • (ii)

d.

  • (iii)
  • (ii)
  • (i)

Question number: 517

» Exponents and Powers

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

1

b.

c.

9

d.

7

Question number: 518

» Direct and Inverse Proportions

MCQ▾

Question

For a group of 20 students food lasts for 55 days. For how many days will the same food last for 50 students?

Choices

Choice (4) Response

a.

12 days

b.

11 days

c.

22 days

d.

21 days

Question number: 519

» Exponents and Powers

Match List-Ⅰ List-Ⅱ▾

Question

Match the following provided that a and b are any rational numbers different from zero andx, y are any rational numbers.
List-Ⅰ (Terms With Same Base Different Exponents) List-Ⅱ (Uses Of Basic Exponent Rule)

(A)

(i)

(B)

(ii)

(C)

(iii)

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)

a.

  • (iii)
  • (ii)
  • (i)

b.

  • (ii)
  • (i)
  • (iii)

c.

  • (i)
  • (ii)
  • (iii)

d.

  • (i)
  • (iii)
  • (ii)

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