Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 7 - 12 of 224

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Question number: 7

» Mathematics » Basic Geometry

MCQ▾

Question

The mean proportional between (2 + Equation ) and (8 - Equation ) is

Choices

Choice (4) Response

a.

3

b.

2

c.

3: 1

d.

2: 3

Question number: 8

» Mathematics » Arithmetic

MCQ▾

Question

Arjun bought two buffaloes for Rs. 30, 000, by selling one at a loss of 15 % and other at a gain of 19%, he found the selling price of both buffaloes is the same. The cost price of each buffalo is

Choices

Choice (4) Response

a.

Rs. 17500 and Rs. 12500

b.

Rs. 16000 and Rs. 14000

c.

Rs. 18000 and Rs. 12000

d.

Rs. 17000 and Rs. 13000

Question number: 9

» Mathematics » Basic Geometry

MCQ▾

Question

A person can run around a circular path of radius 21 m in 44 s. In what time will the same person run a distance of 3 km?

Choices

Choice (4) Response

a.

16 min 30s

b.

18 min 30s

c.

16 min 40s

d.

18 min 40s

Question number: 10

» Mathematics » Coordinate Geometry

MCQ▾

Question

If ABCD is a rhombus, then AB 2 + BC 2 + CD 2 + AD 2 is equal to

Choices

Choice (4) Response

a.

AD 2 + BC 2

b.

AO 2 + OC 2

c.

AC 2 + BD 2

d.

None of the above

Question number: 11

» Mathematics » Trigonometry

MCQ▾

Question

If Equation and Equation , then Equation is equal to

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

Question number: 12

» Mathematics » Statistics

MCQ▾

Question

If the mean of five observations x, x + 2, x + 4, x + 6 and x + 8 is 11, then the mean of first three observations is

Choices

Choice (4) Response

a.

11

b.

13

c.

9

d.

12

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