Hssc i objective ch 6 no 3
- 1. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 1 For more news and updates visit pakturkmaths.com CLASS XI For any question mail us at info@pakturkmaths.com Composed by Engin Baştürk FEDERAL BOARD TYPE Objective Sequences and Series No 3 Q1: If 1r then, the sum of the finite Geometric Series is: A) 1 1 1 n a r r B) 1 1 1 n a r r C) 1 2 n n D) 1 2 n n a a Q2: For finite geometric series which statement is not true? A) 1r B) 1r C) 2r D) 1r Q3: If 1 3a , 2r then 6 .............S A) -93 B) -102 C) -190 D) -189 Q4: How many terms are in G.P: 1 1 1 1, , ,..., 2 4 1024 A) 10 B) 11 C) 12 D) None Q5: Find the last term of 1 3 2 7 3 11 ..... A) . 1n n B) . 1n n C) . 4 1n n D) . 4 1n n Q6: The sum of the 1st 16 terms of the Geometric Series 1 1 1 1 1 1 1.... is: A) 1 B) -1 C) 0 D) 2 Q7: The sum of the infinite geometric series is: A) 1 1 a r B) 12 1 a r C) 1 1 a r D) 1 1 1 n a r r Q8: The sum of the series 1 1 1 1 .... 3 9 27 is: A) 2 3 B) 2 3 C) 3 2 D) 3 2 Q9: Is the series 2 8 32 128 ... convergent? A) Yes B) No C) Neither D) None Q10: The series 1 1 1 1 1 ... is: A) Convergent B) Divergent C) Finite D) Does not converge
- 2. PAKTURK Success is a ladder you cannot climb with your hands in your pockets 2 Q11: 2.410 in the common fraction is: A) 410 999 B) 2308 999 C) 2408 999 D) None Q12: If the first three terms of G.P are 4 3,8 3,16 3,... then 4a is: A) 15 3 B) 3 16 C) 16 3 D) 32 3 Q13: The reciprocal of A.P is called: A) G.P B) G.M C) A.M D) H.P Q14: If 1 1 1 , , ,... 3 8 13 is H.P, then 12a is: A) 1 54 B) 1 55 C) 1 59 D) 1 58 Q15: If 1 1 1 1 1 1 1 ... is a sequence to n terms then , what is nS if n is even. A) 1 B) -1 C) 0 D) 2 Q16: If 1 125 2 , , 8, 8 5 a r n then 8 _____a A) 16 625 B) 625 16 C) 17 125 D) NONE Q17: The series 3 3 6 3 ... 2 4 is _____ A) Divergent B) Convergent C) G.P. D) Constant Q18: The series 1 2 1 1 1 .....a a r a r has a sum 1 1 a r if: A) 1r B) 1r C) 1r D) 2 3 r Q19: The sum of 2 1 1 2 1 .... is____ A) 2 B) 1 2 2 C) Possible D) Impossible Q20: The common difference fraction of 1.321 is: A) 44 33 B) 440 333 C) 40 33 D) 441 331 Answer Key 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20