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Sequence & Series Level-3 Quiz-2

March 7, 2021No Comments
Sequence & Series Level-3 Quiz-2

Welcome to the Level – 3 Quiz – 2 of the topic Sequence & Series on Knowvation! The pattern of the quiz will be MCQ and you will encounter many challenging problems which are going to be very helpful for the preparation of various competitive exams like, CAT, IIFT, SNAP, XAT, TISSMAT, TISSNET, CMAT, SSC CGL, etc. You’re requested to please do read the instructions given below before starting this quiz.

Here are some basic instructions:

Time Limit: 20 minutes

Number of Multiple Choice Questions: 10

Passing marks: 70%

You’ll see the answers after you SUBMIT the quiz. ‘Green’ color ticks represents a correct answer and the ‘Red’ ticks represents a wrong answer

Please do provide your valuable feedback on the quiz or report any issue/mistake in the comment box below. ALL THE BEST! 😀

1. Given A = 265 and B = (264 + 263 + 262 + … + 20), which of the following is true?

 
 
 
 

2. Sum of first 12 terms of a GP is equal to the sum of the first 14 terms in the same GP. Sum of the first 17 terms is 92, what is the third term in the GP?

 
 
 
 

3. The nth term (tn) of a certain sequence is defined as tn = tn-1 + 4. If t1 = -7 then find out value of t71.

 
 
 
 

4. The value of the sum 7 x 11 + 11 x 15 + 15 x 19 + …+ 95 x 99 is?

 
 
 
 

5. If log 2, log (2x – 1) and log (2x + 3) are in A.P, then x is equal to?

 
 
 
 

6. Let the m th and n th terms of a Geometric progression be 3/4 and 12, respectively, when m < n. If the common ratio of the progression is an integer r, then the smallest possible value of r + n – m is?

 
 
 
 

7. A gentleman decided to treat a few children in the following manner. He gives half of his total stock of toffees and one extra to the first child, and then the half of the remaining stock along with one extra to the second and continues giving away in this fashion. His total stock exhausts after he takes care of 5 children. How many toffees were there in his stock initially?

 
 
 
 

8. Sum of first 25 terms in AP is 525, sum of the next 25 terms is 725, what is the common difference?

 
 
 
 

9.

Consider a, b, c in a G.P. such that |a + b + c| = 15. The median of these three terms is a, and b = 10. If a > c, what is the product of the first 4 terms of this G.P.?

 
 
 
 

10. Let the nth term of AP be defined as tn, and sum up to ‘n’ terms be defined as Sn. If |t8| = |t16| and t3 is not equal to t7, what is S23?

 
 
 
 


Last updated on March 7, 2021

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