Mathematics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 48 - 55 of 119

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Question number: 48

» Mathematics » Quadratic Equations

MCQ▾

Question

Sum of roots is -1 and sum of their reciprocal is 16 , then equation is

Choices

Choice (4) Response

a.

x2 + x - 6 = 0

b.

x2 - 6x + 1 = 0

c.

6x2 + x + 1 = 0

d.

x2 - x + 6 = 0

Question number: 49

» Mathematics » Statistics

MCQ▾

Question

The median of the following data is

2, 4, 6, 8, 10, 12, 14

Choices

Choice (4) Response

a.

8

b.

9.5

c.

10

d.

6

Question number: 50

» Mathematics » Arithmetic

MCQ▾

Question

The total cost of 12 pens and 5 pencils is equal to Rs. 111. Also, the cost of 1 pencil is Rs. 5 less than the cost of 1 pen. What will be the cost of 8 pens and 9 pencils?

Choices

Choice (4) Response

a.

Rs. 91

b.

Rs. 89

c.

Rs. 98

d.

Rs. 97

Question number: 51

» Mathematics » Basic Geometry

MCQ▾

Question

An angle is one-fourth of its supplementary angle. What is the measure of the angle?

Choices

Choice (4) Response

a.

40°

b.

45°

c.

36°

d.

52°

Question number: 52

» Mathematics » Coordinate Geometry

MCQ▾

Question

The distance of the point A (8, - 6) from the origin is

Choices

Choice (4) Response

a.

10 units

b.

5 units

c.

7 units

d.

12 units

Question number: 53

» Mathematics » Statistics

MCQ▾

Question

Ravi and Kavi starts a business by investing Rs. 8000 and Rs. 72000, respectively. The ratio of their profits at the end of year, is

Choices

Choice (4) Response

a.

2: 9

b.

7: 9

c.

1: 9

d.

5: 9

Question number: 54

» Mathematics » Basic Geometry

MCQ▾

Question

Volume of a cube is 729cm3 . The length of its diagonal is

Choices

Choice (4) Response

a.

83

b.

73

c.

93

d.

63

Question number: 55

» Mathematics » Simple Interest and Compound Interest

MCQ▾

Question

The difference between the simple interest (SI) and compound interest (CI) for 2 years at 4 % per annum is Rs. 20. The principal will be

Choices

Choice (4) Response

a.

Rs. 12500

b.

Rs. 12800

c.

Rs. 11000

d.

Rs. 11500

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