Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 41 - 46 of 989

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Question 41

Mathematics
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Question

MCQ▾

The diagonals of a parallelogram ABCD intersect at O. If and , then is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question 42

Mathematics
Edit

Question

MCQ▾

The radius of a circle is 10 cm. AB and CD are two parallel chords 10.8 cm apart. If cm then CD is equal to

Choices

Choice (4)Response

a.

6 cm

b.

20.8 cm

c.

3 cm

d.

12 cm

Question 43

Mathematics
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Question

MCQ▾

A circle with radius 3 units is intersected by a line at points R and T. The maximum possible distance between R and T is

Choices

Choice (4)Response

a.

6 units

b.

units

c.

units

d.

1.5 units

Question 44

Mathematics
Edit

Question

MCQ▾

In a square ABCD, the diagonals bisect at “O”. Then triangle BOC is:

Choices

Choice (4)Response

a.

An equilateral triangle

b.

A right angle but not an isosceles triangle

c.

An isosceles but not a right angled triangle

d.

An isosceles right angled triangle

Question 45

Mathematics
Edit

Question

MCQ▾

In a if and then the shortest and the largest sides of the triangle are

Choices

Choice (4)Response

a.

BC, AC

b.

AB, AC

c.

AB, BC

d.

All of the above

Question 46

Mathematics
Edit

Question

MCQ▾

The sum of the angles in a quadrilateral is equal to ________.

Choices

Choice (4)Response

a.

3 right angles

b.

360 right angles

c.

2 right angles

d.

4 right angles