NCO- Cyber Olympiad Class 9: Questions 55 - 60 of 410

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Question number: 55

» Mental Ability » Number Games » Number Series

MCQ▾

Question

8, 6, 9, 23, 87, ________what number should come next?

Choices

Choice (4) Response

a.

226

b.

128

c.

345

d.

429

Question number: 56

MCQ▾

Question

If , then b equals

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 57

MCQ▾

Question

Ramila got married 7 years ago. Today her age is times her age at the time of marriage. Her son’s age is times her age. Her son’s age is________

Choices

Choice (4) Response

a.

2.8 years

b.

5 years

c.

4.1 years

d.

3.3 years

Question number: 58

MCQ▾

Question

The factors of the expression are

Choices

Choice (4) Response

a.

b.

c.

d.

All a. , b. and c. are correct

Question number: 59

MCQ▾

Question

Three years ago the average age of P and Q was 16 years. With R joining them, the average becomes 20 years. How old is R now?

Choices

Choice (4) Response

a.

22 years

b.

34 years

c.

45 years

d.

12 years

Question number: 60

MCQ▾

Question

Triangle PAB is formed by three tangents to circle O and ; then angle AOB equals

Choices

Choice (4) Response

a.

b.

c.

d.

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