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

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Question 780

Question MCQ▾

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

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

Edit

Question 781

Question MCQ▾

Conjugate surd of is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 782

Question MCQ▾

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

Edit

Question 783

Question MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 784

Question MCQ▾

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

Edit

Question 785

Question MCQ▾

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

Choices

Choice (4)Response

a.

580 ₹

b.

1000 ₹

c.

760 ₹

d.

706 ₹

Edit

Question 786

Question MCQ▾

The value of is

Choices

Choice (4)Response

a.

1520

b.

1400

c.

1620

d.

1240

Edit

Question 787

Question MCQ▾

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

Edit