Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 127  132 of 224
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Question number: 127
» Mathematics » Probability
Question
In a single throw of a dice, what is the probability of getting a number greater than 4?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 128
» Mathematics » Trigonometry
Question
If sin (θ + ϕ) = 2 sin (θ  ϕ), then
Choices
Choice (4)  Response  

a.  sin θ = 3 sin θ 

b.  sin ϕ =sin 2 θ 

c.  cot ϕ = 3 tan θ 

d.  tan θ = 3 tan ϕ 

Question number: 129
» Mathematics » Direct and Inverse Variation
Question
If pqr = 1, what is the value of the expression ?
Choices
Choice (4)  Response  

a.  1 

b.  0 

c.  1 

d.  1/3 

Question number: 130
» Mathematics » Basic Geometry
Question
If AD, BE and CF are the medians of a ∆ABC, then the current relation between the sum of the squares of sides to the sum of the squares of median is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 131
» Mathematics » Basic Geometry
Question
AB and CD are two parallel lines. The points B and C are joined such that ∠ABC = 65°. A line CE is drawn making angle of 35° with the line CB, EF is drawn parallel to AB, as show in figure, then ∠CEF is equal to
Choices
Choice (4)  Response  

a.  145° 

b.  155° 

c.  160° 

d.  150° 

Question number: 132
» Mathematics » Arithmetic
Question
A train T_{1} leaves a place P at 5 am and reaches another place Q at 9 am another train T_{2} leaves the place Q at 7 am and reaches the place P at 10: 30 am. The time at which the two trains cross each other is
Choices
Choice (4)  Response  

a.  8: 26 am 

b.  8 am 

c.  7: 56 am 

d.  8: 15 am 
