Reasoning Quiz On Number Series

reader, we are providing SSC Quiz on number and alphabet series which will
be helpful for upcoming SSC exam.

1.    2,
5, 9, 19, 37 ?
(b) 75               
           (d) 78

2.    22,
24, 28, ?, 52, 84
(a) 36                                  (b)
(c) 42
          (d) 46

3.    1,
4, 27, 16, ?, 36, 343
(b) 87               
120                               (d)

4.    1/2,
3/4, 5/8, 7/16, ?
(b) 10/17          
(d) 12/35

5.    1,
9, 25, 49, ?, 121
(b) 81              
(d) 100

6.    B,
D, F, I, L, P, ?
(a) R
         (b) S          
(d) U

7.    U,B,I,P,W
             (d) U

8.    Z,
?, T, ?, N, ?, H, ?, B
(b) W,R,K,E     
(d) X,R,K,E

9.    a
, d , c , f , ?, h , g , ? , i
e, j                    
         (b) e, k          
f, j                    
          (d) j, e

10.  A,
I, P, V, A, E, ?
E                                 (b)

(c) G                                    (d) H

with Solutions
we have: 2 x 2 + 1= 5, 5 x 2 -1 = 9, 9 x 2 + 1 = 19, 19 x 2 -1 = 37,
missing term = 37 x 2 + 1 =75.
pattern is +2, +4, +8, +16
missing term = 28 + 8 = 36.
the given the series consists of cubes of odd numbers and squares of even
numbers, I. e, 13, 23, 33, 43, ….
missing term = 53 = 125.
the numerators of the fractions in the given sequence form the series 1, 3, 5,
7, in which each term is obtained by adding 2 to the previous term.The
denominators of the fractions form the series 2, 4, 8, 16, i.e. 21, 22, 23,
24.So, the numerator of the fractions will be (7 +2) i.e. 9 and the denominator
will be 25 i.e. 32.
the next term is 9/32.
given series consists of squares of consecutive odd numbers i.e. 12, 32,
52,72,…… So, missing term = 92 =81
(+2)→ (+3)→ (+3)→ (+4)→P (+4)→T
(+7)→B (+7)→I (+7)→P (+7)→ (+7)→D
(-6)→T (-6)→N (-6)→ (-6)→B
(-3)→ (-3)→T (-3)→Q (-3)→N (-3)→K (-3)→H (-3)→ (-3)→B   
(+3)→d (-1)→c (+3)→f (-1)→e (+3)→ (-1)→g (+3)→j (-1)→i.

A (+8)→I (+7)→P (+6)→V
(+5)→A (+4)→E (+3)→H

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    But didn't understand

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