Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 634 - 637 of 989

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Question 634

Mathematics
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Question

MCQ▾

Which of the following statements is correct?

Choices

Choice (4)Response

a.

0 is called the additive identity for rational number

b.

1 is called the multiplicative identity for rational number

c.

The additive inverse of 0 is zero itself

d.

All a. , b. and c. are correct

Question 635

Mathematics
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Question

MCQ▾

The sum of the additive inverse and multiplicative inverse of 5 is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question 636

Mathematics
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Question

MCQ▾

The adjacent sides of a parallelogram are 26 cm and 32 cm. The ratio of its altitudes is

Choices

Choice (4)Response

a.

8: 13

b.

13: 16

c.

4: 13

d.

26: 16

Question 637

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Question

MCQ▾

Which of the following graph represents ?

Choices

Choice (4)Response

a.

Vector uVector u: Vector [A, C] Vector uVector u: Vector [A, C] Vector vVector v: Vector [A, D] Vector vVector v: Vector [A, D] Point AA = (-2, -2) Point AA = (-2, -2) Point AA = (-2, -2) Point BB = (2,3) Point BB = (2,3) Point BB = (2,3) (2,3)text1 = ” (2,3) “(-2, -2)text1_1 = ” (-2, -2) “

b.

Vector uVector u: Vector [B, C] Vector uVector u: Vector [B, C] Vector vVector v: Vector [B, D] Vector vVector v: Vector [B, D] Point APoint A: Point on yAxisPoint APoint A: Point on yAxisPoint APoint A: Point on yAxisPoint BPoint B: Point on xAxisPoint BPoint B: Point on xAxisPoint BPoint B: Point on xAxis(0,5)text1 = ” (0,5) “(5,0)text1_1 = ” (5,0) “

c.

Vector uVector u: Vector [A, C] Vector uVector u: Vector [A, C] Vector vVector v: Vector [A, D] Vector vVector v: Vector [A, D] Point AA = (-2,0) Point AA = (-2,0) Point AA = (-2,0) Point BB = (0,3) Point BB = (0,3) Point BB = (0,3) (0,3)text1 = ” (0,3) “(-2,0)text1_1 = ” (-2,0) “

d.

Vector uVector u: Vector [A, C] Vector uVector u: Vector [A, C] Vector vVector v: Vector [A, D] Vector vVector v: Vector [A, D] Point AA = (-3, -4) Point AA = (-3, -4) Point AA = (-3, -4) Point BB = (4,0) Point BB = (4,0) Point BB = (4,0) (4,0)text1 = ” (4,0) “(-3, -4)text1_1 = ” (-3, -4) “