NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 227  233 of 1484
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Question number: 227
» Mathematics » Arithmetic Progressions
Question
The sum of 15 terms of is
Choices
Choice (4)  Response  

a.  log120 

b.  240. log5 

c.  120. log5 

d.  log15 

Question number: 228
Question
If then =
Choices
Choice (4)  Response  

a.  4 

b.   4 

c.  Both a. and b. are correct 

d.  Question does not provide sufficient data or is vague 

Question number: 229
» Mathematics » Arithmetic Progressions
Question
The measures of the interior angles of a convex polygon are in AP. If the smallest angle is and the largest angle is , then the number of sides of the polygon is
Choices
Choice (4)  Response  

a.  7 

b.  11 

c.  5 

d.  9 

Question number: 230
» Mathematics » Coordinate Geometry
Question
and are three vertices of the parallelogram ABCD. The coordinates of the fourth vertex is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 231
» Mathematics » Arithmetic Progressions
Question
The 8^{th} term of an AP is 16 and the 15^{th} term is 58. Then the second term is
Choices
Choice (4)  Response  

a.  26 

b.  42 

c.  18 

d.  20 

Question number: 232
» Mathematics » Arithmetic Progressions
Question
If the sum of the first p terms of an AP is the same as the sum of its first q terms (where ), then the sum of its first terms is
Choices
Choice (4)  Response  

a.  1 

b.  0 

c. 


d.  pq 

Question number: 233
» Mathematics » Quadratic Equations
Question
The roots of are
Choices
Choice (4)  Response  

a.  1,2 and 3 

b.  3 

c.  0 and 3 

d.  0, 1, 2 and 3 
