Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 579 - 586 of 1128

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Question number: 579

» Mathematics » Triangle and Properties

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MCQ▾

Question

If the two sides of a right-angled triangle are equal and the square of the hypotenuse is 288 cm then the length of each side is

Choices

Choice (4)Response

a.

15 cm

b.

12 cm

c.

cm

d.

10.5 cm

Question number: 580

» Mathematics » Algebraic Expressions

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MCQ▾

Question

Value of x in

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 581

» Mathematics » Algebraic Expressions

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MCQ▾

Question

Algebraic expression for the statement: ‘21 times x taken away from 89’.

Choices

Choice (4)Response

a.

b.

0

c.

d.

Question number: 582

» Mathematics » Triangle and Properties

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MCQ▾

Question

In , S is midpoint of QR and G is the Centroid of the triangle. If GS = 5 cm, then the length of PS is

Choices

Choice (4)Response

a.

15 cm

b.

5 cm

c.

10 cm

d.

None of the above

Question number: 583

» Mathematics » Comparing Quantities

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MCQ▾

Question

Komal borrowed Rs. 1500 at 3 % per annum for 2 years and Sonal borrowed Rs. 1800 at 2 % per annum for 3 years. Then the ratio of interests paid by them is

Choices

Choice (4)Response

a.

6: 5

b.

5: 6

c.

5: 3

d.

3: 5

Question number: 584

» Mathematics » Rational Numbers

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MCQ▾

Question

Out of the rational number , , , which is smaller?

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 585

» Mathematics » Perimeter and Area

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MCQ▾

Question

If the area of a circle is 2A, radius of the circle is r and circumference of it is 3C, then

Choices

Choice (4)Response

a.

AC =

b.

c.

d.

Question number: 586

» Mathematics » Rational Numbers

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MCQ▾

Question

For any two rational numbers a and b, which of the following properties are correct?

(I) (II) (III)

Choices

Choice (4)Response

a.

Only (II) is correct

b.

Only (II) and (III) are correct

c.

Only (I) and (II) are correct

d.

All (I), (II) and (III) are correct

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