Mathematics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 67 - 73 of 224

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Question number: 67

» Mathematics » Rational Numbers

MCQ▾

Question

7 men and 8 boys can do a piece of work in 2 days. 4 men and 12 boys can do 29/56 of the same work in 1 day. In how many days will 1 man do this work?

Choices

Choice (4) Response

a.

25 days

b.

24 days

c.

27 days

d.

28 days

Question number: 68

» Mathematics » Percentage

MCQ▾

Question

1 L of water is evaporated from 6 L of a solution having 4 % of sugar. The percentage of sugar in the remaining solution is

Choices

Choice (4) Response

a.

4/5%

b.

c.

4%

d.

5%

Question number: 69

» Mathematics » Percentage

MCQ▾

Question

An agent buys a TV set listed at Rs. 10000 and gets 10 % and 20 % successive discount. He spends 10 % of CP on transport. At what price (in Rs. ) should he sell TV set to earn a profit of 10%?

Choices

Choice (4) Response

a.

8692

b.

8699

c.

8712

d.

8700

Question number: 70

» Mathematics » Basic Geometry

MCQ▾

Question

Four angles of a 8-sided figure are each 154°. If the remaining four angles are equal, then the measure of each angle is

Choices

Choice (4) Response

a.

116°

b.

100°

c.

110°

d.

All of the above

Question number: 71

» Mathematics » Algebraic Expressions

MCQ▾

Question

If and , then the value of is

Choices

Choice (4) Response

a.

18

b.

48

c.

38

d.

28

Question number: 72

» Mathematics » Number Systems

MCQ▾

Question

If a is an odd integer, then the number is divisible by

Choices

Choice (4) Response

a.

32

b.

24

c.

16

d.

8

Question number: 73

» Mathematics » Trigonometry

MCQ▾

Question

If = , then which of the following expressions must necessarily be true?

Choices

Choice (4) Response

a.

tan x + tan y + tan z

b.

cos x + cos y + cos z

c.

d.

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