Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 55 - 59 of 224

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Question number: 55

» Mathematics » Simple Interest and Compound Interest

MCQ▾

Question

The compound interest on Rs. 5000 for 3 year at 5 % for the first year, 10 % for the second year and 12 % for the third year will be

Choices

Choice (4) Response

a.

Rs. 5580

b.

Rs. 1468

c.

Rs. 5850

d.

Rs. 1648

Question number: 56

» Mathematics » Percentage

MCQ▾

Question

A student obtains 75%, 80 % and 85 % marks in three subjects. If the marks of any other subject are added, then their average cannot be less than

Choices

Choice (4) Response

a.

60%

b.

65%

c.

70%

d.

80%

Question number: 57

» Mathematics » Trigonometry

MCQ▾

Question

If A is the area of a right angled triangle and b is one of the sides containing the right angle, then what is the length of the altitude on the hypotenuse?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 58

» Mathematics » Percentage

MCQ▾

Question

At what price must Sarita sell a mixture of 80 kg sugar at Rs. 6.75 per kg with 120 kg at Rs. 8 per kg to gain 20%?

Choices

Choice (4) Response

a.

Rs. 9 per kg

b.

Rs. 8.20 per kg

c.

Rs. 8.85 per kg

d.

Rs. 7.50 per kg

Question number: 59

» Mathematics » Number Systems

MCQ▾

Question

Consider the following statements

I. If x and y are composite integers, so also is x + y.

II. If x and y are composite integers and x > y, then x - y is also a composite integer.

III. If x and y are composite integers, so also in xy. Of the above, the correct statement (s) is/are

Choices

Choice (4) Response

a.

I and II

b.

Only III

c.

All the three

d.

Question does not provide sufficient data or is vague

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