IMO- Mathematics Olympiad (SOF) Class 7: Questions 320 - 328 of 1012

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Question number: 320

» Exponents and Powers

MCQ▾

Question

The value of x in is ________.

Choices

Choice (4) Response

a.

1

b.

- 1

c.

0

d.

2

Question number: 321

» Exponents and Powers

Match List-Ⅰ List-Ⅱ▾

Question

Match the reciprocal of each of the following in exponential form.
List-Ⅰ List-Ⅱ

(A)

(i)

(B)

(ii)

(C)

(iii)

(D)

(iv)

Choices

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

a.

  • (iv)
  • (iii)
  • (ii)
  • (i)

b.

  • (i)
  • (iv)
  • (iii)
  • (ii)

c.

  • (iii)
  • (i)
  • (ii)
  • (iv)

d.

  • (ii)
  • (i)
  • (iv)
  • (iii)

Question number: 322

» Exponents and Powers

MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 323

» Algebraic Expressions

MCQ▾

Question

Simplify .

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 324

» Algebraic Expressions

MCQ▾

Question

If , then the value of is ________.

Choices

Choice (4) Response

a.

10

b.

c.

d.

11

Question number: 325

» Comparing Quantities

MCQ▾

Question

The CP of 30 books is equal to the SP of 25 books. The gain % is ________.

Choices

Choice (4) Response

a.

50%

b.

25%

c.

30%

d.

20%

Question number: 326

» Comparing Quantities

MCQ▾

Question

The value of 20 coins of 25 p and 50 p is Rs. 7.50. The number of 25 p coins is ________.

Choices

Choice (4) Response

a.

10

b.

12

c.

5

d.

8

Question number: 327

» Exponents and Powers

MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 328

» Exponents and Powers

MCQ▾

Question

If , then will be ________.

Choices

Choice (4) Response

a.

0.39

b.

0.1521

c.

0.78

d.

1

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