NCO- Cyber Olympiad (SOF) Class 8: Questions 197 - 199 of 510

Access detailed explanations (illustrated with images and videos) to 510 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 350.00 or

How to register?

Question number: 197

» Mental Ability » Basic Arithmetic

Edit
MCQ▾

Question

Sneha can do a piece of work in 30 days. She works at it for 10 days and then Mona alone finishes the work in 10 days. The two together could have completed the work in

Choices

Choice (4) Response

a.

8 days

b.

20 days

c.

10 days

d.

15 days

Question number: 198

» Mental Ability » Basic Arithmetic

Edit
MCQ▾

Question

Image of map of route of School and Library

Image of Map of Route of School and Library

Representing the image of map of route of School and Library

On the map shown above, 2 inches represents 15 miles. The distance between School and Library is 6.8 inches. What is the actual distance between them?

Choices

Choice (4) Response

a.

170 miles

b.

51 miles

c.

13.6 miles

d.

6.8 miles

Question number: 199

» Mental Ability » Number Games » Number Analogies

Edit
MCQ▾

Question

The diagram shows how some of the subsets of the set of real numbers are related. The letters represent members of the sets.

Circle c Circle c: Circle through B with center A Circle d Circle d: Circle through D with center C Circle d_1 Circle d_1: Circle through D_1 with center C_1 Circle d_2 Circle d_2: Circle through D_2 with center C_2 Rational text1 = “Rational” Integers text1_1 = “Integers” Whole Numbers text1_2 = “Whole Numbers” Whole Numbers text1_2 = “Whole Numbers” Irrational text1_3 = “Irrational” Real Numbers text1_4 = “Real Numbers” p text1_5 = “p” q text1_6 = “q” r text1_7 = “r” s text1_8 = “s” t text1_9 = “t” u text1_ {10} = “u” w text1_ {11} = “w” x text1_ {12} = “x” y text1_ {13} = “y” o text1_ {14} = “o” n text1_ {15} = “n”

Image of Three Circles Representing Real Numbers

Representing the image of three circles representing real numbers

Meena wants to replace the letters with actual numbers. Which letter could be replaced with -5?

Choices

Choice (4) Response

a.

t

b.

p

c.

s

d.

w