NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 201 - 207 of 1484

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Question 201

Question

MCQ▾

The equation has

Choices

Choice (4)Response

a.

One real and one imaginary root

b.

One real root

c.

Two real roots

d.

Two imaginary roots

Question 202

Question

MCQ▾

The sum of all two digit natural numbers is

Choices

Choice (4)Response

a.

4509

b.

4905

c.

4590

d.

4950

Question 203

Question

MCQ▾

In a geometric series of positive terms the difference between the fifth and fourth terms is 224 and the difference between the second and first terms is 28. What is the sum of the first five terms of the series?

Choices

Choice (4)Response

a.

862

b.

686

c.

434

d.

868

Question 204

Question

MCQ▾

The reciprocal of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 205

Question

MCQ▾

If 5, , are in AP, then k must be equal to

Choices

Choice (4)Response

a.

b.

c.

0

d.

Question 206

Question

MCQ▾

A vessel is in conical shape. If its volume is 33.264 liters and height is 18 cm, the cost of repairing its CSA at ₹ 6/sq m is

Choices

Choice (4)Response

a.

8.54

b.

7.34

c.

3.62

d.

3.12

Question 207

Question

MCQ▾

A cylindrical vessel of diameter 14 cm has some water in it. A cylindrical iron piece of diameter 28 cm and height 7 cm is dropped in it. After it was completely immersed, the raise in the level of water is ________.

Choices

Choice (4)Response

a.

14 cm

b.

7 cm

c.

18 cm

d.

28 cm

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