Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 515 - 523 of 1201

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Question number: 515

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Question

MCQ▾

If then is?

Choices

Choice (4)Response

a.

2599

b.

2401

c.

2601

d.

2603

Question number: 516

Edit

Question

MCQ▾

Factorize :

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 517

Edit

Question

MCQ▾

A shopkeeper fixes the MP of an item 40 % above its CP. The percentage of discount allowed to gain 12 % is:

Choices

Choice (4)Response

a.

28%

b.

20%

c.

40%

d.

31%

Question number: 518

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Question

MCQ▾

Three containers have their volumes in the ratio 2: 3: 5. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio of and respectively. The ratio of milk and water in the fourth container contains all the above three mixtures is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 519

Edit

Question

MCQ▾

The square root of is:

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 520

Edit

Question

MCQ▾

If then x is:

Choices

Choice (4)Response

a.

3

b.

c.

9

d.

None of the above

Question number: 521

Edit

Question

MCQ▾

The least perfect square which is divisible by 3,6, 8 is:

Choices

Choice (4)Response

a.

36

b.

64

c.

144

d.

48

Question number: 522

Edit

Question

MCQ▾

The product of and is:

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 523

Edit

Question

MCQ▾

A fort had provision of food for 180 men for 45 days. After 10 days, 30 men left the fort. The number of days for which the remaining food will last, is:

Choices

Choice (4)Response

a.

19

b.

27

c.

81

d.

54