Mental Ability [NCO- Cyber Olympiad (SOF) Class 7]: Questions 21 - 26 of 204

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Question 21

Question MCQ▾

A number divided by 3 is 7 less than that number, what is the number?

Choices

Choice (4)Response

a.

25

b.

10.5

c.

20

d.

15

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Question 22

Question MCQ▾

Which of the following number is not prime?

Choices

Choice (4)Response

a.

187

b.

180

c.

247

d.

All of the above

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Question 23

Question MCQ▾

A man sold a radio for ₹ 1980 and gained 10% . The radio was bought for

Choices

Choice (4)Response

a.

₹ 1782

b.

₹ 2000

c.

₹ 2178

d.

₹ 1800

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Question 24

Question MCQ▾

Sanket travels 8 km to the East. Then he turns to the right and walks 5 km. Then again, he turns to his right and moves 8 km forward. How many km away is he from the starting point?

Choices

Choice (4)Response

a.

3 Km

b.

10 km

c.

2 km

d.

5 km

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Question 25

Question MCQ▾

The average weight of 20 students in class 9th of a school is 35 kg. Two new students, each of whom weighed 42 kg and 52 kg respectively were admitted in the class. Find the new average weight of the students in the class.

Choices

Choice (4)Response

a.

36.1 kg

b.

40 kg

c.

43.33 kg

d.

42.2kg

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Question 26

Question MCQ▾

In an examination, one should get 40% of the maximum marks to pass. A student obtains 150 marks and declared failed by 45 marks. The maximum marks are

Choices

Choice (4)Response

a.

1008

b.

640

c.

500

d.

487.5

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