Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 1  6 of 224
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Question number: 1
» Mathematics » Probability
Question
The mid value of a class interval is 42. If the class size is 10, then the upper and lower limits of the class are
Choices
Choice (4)  Response  

a.  47.5 and 37.5 

b.  47 and 37 

c.  37.5 and 47.5 

d.  37 and 47 

Question number: 2
» Mathematics » Arithmetic
Question
A man runs upstream 13 km and downstream 28 km taking 5 h time for each side. Then, the velocity of the current is
Choices
Choice (4)  Response  

a.  1.5 km/h 

b.  2.5 km/h 

c.  2 km/h 

d.  None of the above 

Question number: 3
» Mathematics » Rational Numbers
Question
If x + 5: 3x + 4 is the duplicate ratio of 5: 8, then the value of x is
Choices
Choice (4)  Response  

a.  22 

b.  18 

c.  20 

d.  16 

Question number: 4
» Mathematics » Trigonometry
Question
If ABCD is a quadrilateral whose diagonals AC and BD intersects at O, then which of the given option is correct?
Choices
Choice (4)  Response  

a.  (AB + BC + CD + DA) = 2 (AC + BD) 

b.  (AB + BC + CD + DA) < (AC + BD) 

c.  (AB + BC + CD + DA) > (AC + BD) 

d.  (AB + BC + CD + DA) < 2 (AC + BD) 

Question number: 5
» Mathematics » Arithmetic
Question
Two planes start from a city and fly in opposite directions, one averaging a speed of 40 km/h greater than the others. If they are 3400 km apart after 5 h, the average speeds, respectively are
Choices
Choice (4)  Response  

a.  300,340 km/h 

b.  250,290 km/h 

c.  330,370 km/h 

d.  320,360 km/h 

Question number: 6
» Mathematics » Quadratic Equations
Question
Sum of the roots of the equation x ^{2} + 5x + 6 = 0 is
Choices
Choice (4)  Response  

a.  4 

b.  4 

c.  5 

d.  5 
