# 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.

b.

c.

d.

## 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 will be ________

### Choices

Choice (4) Response

a.

b.

More than

c.

Less than

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?

### Choices

Choice (4) Response

a.

b.

c.

d.

## 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.

b.

c.

d.

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