Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 67  73 of 224
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Question number: 67
» Mathematics » Rational Numbers
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
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
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
Question
Four angles of a 8sided 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
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
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
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. 

