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1. JSTSE (Arithmetic Progressions)
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JSTSE : PREVIOUS YEARS
(Mathematics : Arithmetic Progressions)
1. If y  11 

10

 11 

10

.....

20 terms

, x 
 
 22 
 
 22 ......

40 terms

23 23
then value of (y – x) is (2014)
(1) 30 (2) 40
(3) 20 (4) 10
Ans. (a)
2. The sum of five consecutive odd natural numbers is 65. The sum of the extreme
numbers is (2015)
(a) 24 (b) 26
(c) 28 (d) 30
Ans. (b)
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