# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 558 - 561 of 1128

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## Question number: 558

» Mathematics » Lines and Angles

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MCQ▾

### Question

In a , D is any point on AB and meets AC at E. If AD = 4.5 cm, DB = 5 cm and AE = 9 cm then AC = ________.

### Choices

Choice (4)Response

a.

14 cm

b.

4.5 cm

c.

9.5 cm

d.

19 cm

## Question number: 559

» Mathematics » Perimeter and Area

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MCQ▾

### Question

Two sides of a right triangle containing the right angle are 80 cm and 0.5 cm. Find the area.

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 560

» Mathematics » Algebraic Expressions

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MCQ▾

Value of x in

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 561

» Mathematics » Lines and Angles

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MCQ▾

### Question

In the given figure, and . If AO = 3.6 cm, OC = 7.2 cm and BO = 6 cm, then the length of DO is

### Choices

Choice (4)Response

a.

9 cm

b.

2 cm

c.

4.2 cm

d.

3 cm

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