Mental Ability (NCO- Cyber Olympiad Class 9): Questions 190 - 193 of 219

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Question number: 190

» Mental Ability » Basic Algebra

MCQ▾

Question

Ms Neha works at a Art gallery. Last week she sold 10 more than 5 times the number of Paintings that she sold this week. Ms. Neha sold a total of 200 paintings over the 2 weeks. Which system of equations can be used to find a, the number of paintings she sold last week and b the number of paintings she sold this week?

Choices

Choice (4) Response
a.

a+b=200,a=a+3

b.

a+b=200,b=5a+10

c.

a+b=200,b=3a+5

d.

a+b=200,a=5b+10

Question number: 191

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

Given a circle with center O. A chord AB is drawn and C is its mid-point. Then AOC will be ________

Given the Circle with center O

Given the Circle With Center O

Given the Circle with center O then find the Angle of ACO

Choices

Choice (4) Response
a.

90°

b.

More than 90°

c.

Less than 90°

d. All of the above

Question number: 192

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

The dimensions of 3 connected stores are shown in the figure. How many square feet of floor space are used by the 3 stores?

Given the dimensions of 3 connected stores

Given the Dimensions of 3 Connected Stores

Given the dimensions of 3 connected stores find the square feet of floor space are used by the 3 stores

Choices

Choice (4) Response
a.

9600ft2

b.

11280ft2

c.

21141ft2

d.

42021ft2

Question number: 193

» Mental Ability » Basic Algebra

MCQ▾

Question

Ms Radhika works at a music store. Last week she sold 6 more than 3 times the number of CDs that she sold this week. Ms. Radhika sold a total of 108 CDs over the 2 weeks. Which system of equations can be used to find I, the number of CDs she sold last week and t the number of CDs she sold this week?

Choices

Choice (4) Response
a.

I+t=108,t=3I6

b.

I+t=108,t=3t6

c.

I+t=108,t=3I+6

d.

I+t=108,I=3t+6

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