Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 59  64 of 218
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Question number: 59
» Mathematics » Rational Numbers
Question
Ravi can build a wall in the same time in which Mahesh and Suresh together do it. If Ravi and Mahesh together could do it in 10 days and Suresh alone in 15 days. In what time Mahesh alone do it?
Choices
Choice (4)  Response  

a.  30 days 

b.  50 days 

c.  40 days 

d.  60 days 

Question number: 60
» Mathematics » Basic Geometry
Question
If the 3 consecutive vertices of a square are ( 1, 4), ( 3, 0) and (1,  2), which of the following can be its fourth vertex?
Choices
Choice (4)  Response  

a.  (3, 2) 

b.  ( 3, 2) 

c.  (2, 3) 

d.  (1, 2)


Question number: 61
» Mathematics » Quadratic Equations
Question
If a and p are the roots of the quadratic equation
. Then, the value of
is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 62
» Mathematics » Rational Numbers
Question
The average score of boys in an examination of a school is 71 and that of the girls is 73. The average score of the school in the examination is 71.8. Then, the ratio of the number of boys to the number of girls appeared in the examination is
Choices
Choice (4)  Response  

a.  1.5 

b.  1.33 

c.  0.67 

d.  0.75 

Question number: 63
» Mathematics » Algebraic Expressions
Question
If
and
, then what is the value of
?
Choices
Choice (4)  Response  

a.  4 

b.  5 

c.  2 

d.  0 

Question number: 64
» Mathematics » Probability
Question
Out of the letters E, T and N, a 3letter word is formed at random using all the 3 letters. What is the probability that the word formed is TEN?
Choices
Choice (4)  Response  

a.  0.33 

b.  0.67 

c.  0.17 

d.  0.5 
