Mental Ability [NCO- Cyber Olympiad (SOF) Class 10]: Questions 1 - 6 of 198

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Question 1

Mental Ability

Question

MCQ▾

The Volume of a solid metallic sphere is 2512 . It is melted and recast into solid right circular cones of radius 5 cm and height 16 cm. Calculate the number of cones recast.

Choices

Choice (4)Response

a.

9

b.

6

c.

8

d.

7

Question 2

Mental Ability

Question

MCQ▾

If , which expression is equivalent to ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 3

Mental Ability

Question

MCQ▾

If Tuesday falls on 25th December 1990, what day will be on 25th December 1992?

Choices

Choice (4)Response

a.

Monday

b.

Sunday

c.

Tuesday

d.

Friday

Question 4

Mental Ability

Question

MCQ▾

Find the mean marks of students from the following cumulative frequency table:

Representing the Table of Achieved Marks by Number of Students
MarksNumber of Students
0 and above

10 and above

20 and above

30 and above

40 and above

50 and above

60 and above

70 and above

80 and above

90 and above

100 and above

80

76

71

65

58

50

41

31

20

8

0

Choices

Choice (4)Response

a.

78.9

b.

54.6

c.

62.5

d.

57.5

Question 5

Mental Ability

Question

MCQ▾

Indicate in which one of the following equations x is neither directly nor inversely proportional to y.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 6

Mental Ability

Question

MCQ▾

In the figure drawn below, and are parallel and . What is ?

A Triangle ABC and a Parallel Line EF

Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: