Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 74  79 of 224
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Question number: 74
» Mathematics » Trigonometry
Question
A triangle formed by the points A (2, 5), B (3, 8) and C (x, y). If the centroid of the triangle is (3, 5), what is the coordinate of point C?
Choices
Choice (4)  Response  

a.  (4, 2) 

b.  (2, 4) 

c.  (4, 2) 

d.  None of the above 

Question number: 75
» Mathematics » Simple Interest and Compound Interest
Question
A sum of money doubles itself at compound interest in 15 year. It will becomes 8 times in
Choices
Choice (4)  Response  

a.  30 year 

b.  40 year 

c.  45 year 

d.  60 year 

Question number: 76
» Mathematics » Probability
Question
When two dice are rolled together, the probability of getting an even number on one dice and a multiple of 3 on the other, is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 77
» Mathematics » Linear Equation
Question
Pooja started her job with certain monthly salary and gets a fixed increment every year. If her salary was Rs. 4200 after 3 year and Rs. 6800 after 8 year of service, then what are her initial salary and the annual increment, respectively?
Choices
Choice (4)  Response  

a.  Rs. 2640, Rs. 520 

b.  Rs. 2460, Rs. 520 

c.  Rs. 2640, Rs. 320 

d.  Rs. 2460, Rs. 320 

Question number: 78
» Mathematics » Quadratic Equations
Question
The roots of the equation are 1 and 2. The roots of the equation must be
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 79
» Mathematics » Basic Geometry
Question
ABCD is a square of side a, ABO is an equilateral triangle and OL is perpendicular to CD. Then area of the trapezium AOLD is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

