NCO- Cyber Olympiad Class 7: Questions 246 - 250 of 416

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Question number: 246

MCQ▾

Question

Two poles 30 m and 15 m high stand upright in a ground. If their feet are 36 m apart, find the distance between tops.

Choices

Choice (4) Response

a.

30 m

b.

39 m

c.

35 m

d.

25 m

Question number: 247

MCQ▾

Question

A boat covers a certain distance downstream in 2 hour, while it comes back in 1 hours. If the speed of the stream be 5 kmph, what is the speed of the boat in still water?

Choices

Choice (4) Response

a.

25 kmps

b.

35 kmps

c.

12 kmps

d.

11 kmps

Question number: 248

MCQ▾

Question

In the series 11, 13, 15, 17, ________, 19 what will be the missing term?

Choices

Choice (4) Response

a.

16

b.

18

c.

20

d.

22

Question number: 249

MCQ▾

Question

Step 1:

Step 2:

Step 3:

Are the above given steps a simplification of algebraic expression

Choices

Choice (4) Response

a.

Only step 1 is correct

b.

Only step 1 and 2 are correct

c.

No

d.

Yes

Question number: 250

Match List-Ⅰ List-Ⅱ▾

Question

Match the reciprocal of each of the following in exponential form:
 List-Ⅰ List-Ⅱ (A) Equation (i) Equation (B) Equation (ii) Equation (C) Equation (iii) 1 (D) Equation (iv) Equation

Choices

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

a.

• (ii)
• (iii)
• (iv)
• (i)

b.

• (iv)
• (iii)
• (ii)
• (i)

c.

• (i)
• (iii)
• (iv)
• (ii)

d.

• (ii)
• (iv)
• (i)
• (iii)

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