IMO Mathematics Olympiad Class 10: Questions 611  617 of 908
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Question number: 611
Question
In a given A. P, if the term is and term is , then its term is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 612
Question
In an A. P. , the sum of first n terms is , find its term
Choices
Choice (4)  Response  

a.  224 

b.  226 

c.  216 

d.  220 

Question number: 613
Question
If in an A. P. , , where denotes the sum of r terms of the A. P, then is equal to ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 614
Question
Three numbers are inserted between the 2 numbers and 30 such that an A. P. results. Find the fourth numbers.
Choices
Choice (4)  Response  

a.  42 

b.  24 

c.  23 

d.  32 

Question number: 615
Question
If the sum of terms of an A. P. is and the sum of terms is , then the sum of terms is ________
Choices
Choice (4)  Response  

a. 


b.  0 

c. 


d. 


Question number: 616
Question
If the sum of first n even natural numbers is equal to K times the sum of first n odd natural numbers, and then K is equal to ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 617
Question
If Belongs to A. P. such that , then the value of equals ________
Choices
Choice (4)  Response  

a.  1584 

b.  1654 

c.  1650 

d.  1325 
