Mathematics (NTSE Stage1 (StateLevel) ScholasticAptitude & Language Comprehension): Questions 72  77 of 224
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Question number: 72
» Mathematics » Number Systems
Question
If a is an odd integer, then the number is divisible by
Choices
Choice (4)  Response  

a.  32 

b.  24 

c.  16 

d.  8 

Question number: 73
» Mathematics » Trigonometry
Question
If = , then which of the following expressions must necessarily be true?
Choices
Choice (4)  Response  

a.  tan x + tan y + tan z 

b.  cos x + cos y + cos z 

c. 


d. 


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 
