Mental Ability (NCO- Cyber Olympiad Class 7): Questions 175 - 180 of 205

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Question number: 175

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The present ages of three persons in proportions 3: 6: 9. Five years ago, the sum of their ages was 57. Find their present ages (in years).

Choices

Choice (4) Response
a.

12, 24, 36

b.

18, 32, 15

c.

15, 30, 45

d. All of the above

Question number: 176

» Mental Ability » Basic Geometry

MCQ▾

Question

ABC is an isosceles triangle with AB = AC and AD is altitude, then for angles

Choices

Choice (4) Response
a.

B ≥ C

b.

B > C

c.

B = C

d.

B < C

Question number: 177

» Mental Ability » Number Games » Number Series

MCQ▾

Question

Two days after the day before yesterday is Wednesday, What day is today?

Choices

Choice (4) Response
a.

Monday

b.

Tuesday

c.

Sunday

d.

Friday

Question number: 178

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A farmer has 2 grasshoppers of the same species. The corresponding parts of the grasshopper’s bodies are proportional. The larger grasshopper has an 8 cm body and a 1.5 cm forelimb. The smaller grasshopper has a 1.2 cm forelimb. How long is the body of the smaller grasshopper?

Choices

Choice (4) Response
a.

10.0 cm

b.

6.4 cm

c.

6.0 cm

d.

7.7 cm

Question number: 179

» Mental Ability » Number Games » Number Series

MCQ▾

Question

Complete the series: 2, 5, 10, 17, 26, ________

Choices

Choice (4) Response
a.

28

b.

37

c.

39

d.

50

Question number: 180

» Mental Ability » Basic Arithmetic

MCQ▾

Question

A farmer has 2 grasshoppers of the same species. The corresponding parts of the grasshopper’s bodies are proportional. The larger grasshopper has an 15 cm body and a 10 cm forelimb. The smaller grasshopper has a 20 cm forelimb. How long is the body of the smaller grasshopper?

Choices

Choice (4) Response
a.

40 cm

b.

70 cm

c.

30 cm

d.

50 cm

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