Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 54 - 59 of 224

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Question number: 54

» Mathematics » Linear Equation

MCQ▾

Question

A man starts his job with a certain monthly salary and earns a fixed increment every year, if his salary was Rs. 1500 after 4 year of service and Rs. 1800 after 10 year of service. What was his starting salary?

Choices

Choice (4) Response

a.

Rs. 1300

b.

Rs. 1100

c.

Rs. 50

d.

Rs. 1200

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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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