# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 107 - 109 of 989

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## Question 107

Mathematics
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### Question

MCQ▾

In a parallelogram ABCD, and . Each of its diagonals is less than ________.

### Choices

Choice (4)Response

a.

24 cm

b.

12.5 cm

c.

25.3 cm

d.

2.3 cm

## Question 108

Mathematics
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### Question

MCQ▾

If A: Two triangles are said to be congruent if two sides and one angle of one triangle are respectively equal to the two sides and an angle of the other and

R: Two triangles are congruent if two sides and the included angle of one must be equal to the corresponding two sides and included angle of the other triangle.

Then which of the following statement is correct?

### Choices

Choice (4)Response

a.

A is false and R is correct explanation of A

b.

A is true and R is correct explanation of A

c.

A is true and R is false

d.

None of the above

## Question 109

Mathematics
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### Question

MCQ▾

ABCD is a parallelogram as shown in below figure. If and O is mid-point of AB, then is equal to:

### Choices

Choice (4)Response

a.

b.

c.

d.