Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 88  93 of 224
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Question number: 88
» Mathematics » Mensuration
Question
Pressure varies inversely as volume varies and temperature varies directly as volume varies. At a time volume = 50 m ^{3}, temperature = 25 K and pressure = 1 atm. If volume is increased to 200m ^{3}, then the temperature will be
Choices
Choice (4)  Response  

a.  100 K 

b.  80 K 

c.  400 K 

d.  20 K 

Question number: 89
» Mathematics » Trigonometry
Question
For what value of k, the vertices (2, 1), (3, 3) and (5, k) form an equilateral triangle?
Choices
Choice (4)  Response  

a.  No such value exist 

b. 


c.  4 

d.  2 

Question number: 90
» Mathematics » Quadratic Equations
Question
If and are the roots of the equation , then is equal to
Choices
Choice (4)  Response  

a. 


b.  a 2 + a 4) 2 

c. 


d.  All of the above 

Question number: 91
» Mathematics » Basic Geometry
Question
The ratio of an interior angle to the exterior angle of a regular polygon is 5: 1. The number of sides of polygon is
Choices
Choice (4)  Response  

a.  12 

b.  10 

c.  14 

d.  11 

Question number: 92
» Mathematics » Linear Equation
Question
A and B each have a certain number of mangoes. A says to B, “If you give 30 of your mangoes, I will have twice as many as left with you. ” B replies “If you give me 10, I will have thrice as many as left with you”. How many mangoes did A has?
Choices
Choice (4)  Response  

a.  32 

b.  41 

c.  62 

d.  34 

Question number: 93
» Mathematics » Arithmetic
Question
Ravi and Sneh working separately can finish a job in 8 and 12 h, respectively. If they work for an hour alternatively, then Ravi beginning at 9: 00 am. When will the job be finished?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

