NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 780 - 787 of 1732

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Question number: 780

» Mathematics » Perimeter and Area

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MCQ▾

Question

Find the area of the shaded region of the following figure.

Image of a rectangle having a rhombus shape in it

Image of a Rectangle Having a Rhombus Shape in It

Showing the image of a rectangle having a rhombus shape in it

ABCD is a rectangle having length 80 cm and breadth 40 cm. P, Q, R and S are midpoints of AB, BC, CD and AD respectively.

Choices

Choice (4) Response

a.

400

b.

800

c.

1600

d.

3200

Question number: 781

» Mathematics » Exponents and Powers

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MCQ▾

Question

Conjugate surd of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 782

» Physics » Heat

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MCQ▾

Question

Who will occupy more space when taken into equal amount, water or ice?

Choices

Choice (4) Response

a.

Cannot say

b.

Water

c.

Ice

d.

None of the above

Question number: 783

» Mathematics » Triangle and Properties

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Question

If two angles in a triangle are and , then the third angle is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 784

» Mathematics » Integers

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MCQ▾

Question

The identity element w. r. t multiplication in integers is ________.

Choices

Choice (4) Response

a.

1

b.

-1

c.

0

d.

None of the above

Question number: 785

» Mathematics » Comparing Quantities

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MCQ▾

Question

By selling an article for Rs. 500 a man loses 15%. At what cost he will sell in order to gain 20%?

Choices

Choice (4) Response

a.

580 Rs.

b.

1000 Rs.

c.

760 Rs.

d.

706 Rs.

Question number: 786

» Mathematics » Exponents and Powers

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MCQ▾

Question

The value of is

Choices

Choice (4) Response

a.

1520

b.

1400

c.

1620

d.

1240

Question number: 787

» Mathematics » Data Handling

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MCQ▾

Question

20 years ago, when my parents got married, their average age was 25 years, now the average age of my family, consisting of myself and my parents only is 35 years. My present age is

Choices

Choice (4) Response

a.

21 years

b.

16 years

c.

19 years

d.

15 years

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