Read Number Series Practice Set 2 (RRB Officer Scale- 1 & 2 Online Exam 2015) Questions

This is Number Series Practice Set These Questions Came in RRB Officer Scale- 1 & 2 Online Exam 2015. Given Questions Are important According to Practice And Can be Faced in Upcoming Pre And Main Exams .

Directions  – (Questions. 01 – 05): Find The Correct Answer  in the following number series?

Given Questions are an Important the point of view of Govt Exams and upcoming.

Question 1) ->              8           7         10         21         68         ?

A) 310

B) 315

C) 320

D) 316

E) 314

Question 2) ->              10           5         5         10         35         ?

A) 190.5

B) 191.5

C) 192.5

D) 92.5

E) 200

Question 3)  ->              250           250         244         220         160         ?

A) 32

B) 48

C) 42

D) 40

E) 36

Question 4)  ->              18           19         27         54         118         ?

A) 225

B) 244

C) 233

D) 234

E) 243

Question 5)  ->              2           3         8         27         112         ?

A) 565

B) 556

C) 656

D) 655

E) 611

Answer : 

Question 1)  :  B

Question 2)  :  C

Question 3)  :  D

Question 4)  :  E

Question 5)  :  A

Solution  :

Question 1 = The Solution is   (8 x 1) – 1 ² ,  (7 x 2) – 2² ,  (10 x 3) – 3² ,  (21 x 4) – 4² ,   (68 x 5) – 5²

Question 2 = The Solution is   10 x  0.5 = 5  ,  5 x 1 = 5  ,  5  x 2 = 10 , 10 x 3.5   ,  35 x  5.5 = 192.5

Question 3 = The Solution is    250 – 250 = 0 , 250 – 244 = 6 , 244 – 220 = 24 , 220- 160 = 60 ,  160 – 120 = 40

Question 4 = the solution is     1³ = 1  ,    2 ³  = 8   ,   3³  = 27   , 4³  = 64 ,  5³ = 125

Qusetion 5 = the Solution is     2 x 1 + 1  = 3   , 3  x 2 +2 = 8 , 8  x 3 + 3  = 27 , 27 x 4 + 4  = 112 , 112 x 5 + 5 = 565

Number Series Practice Set 2

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