# Find Out the Wrong Series :

Directions (Q. no. 1-5)

Find out the wrong series

- 140, 121, 100, 81, 64

(a) 140, (b) 121 (c) 100 (d) 81 - 12, 16, 25, 41, 66, 104

(a) 16 (b) 66 (c) 104 (d) 12 - 256, 245, 223, 190, 146, 90

(a) 90 (b) 146 (c) 190 (d) 223 - Z5, X10, V29, T36, R69

(a) V29 (b) T36 (c) R69 (d) Z5 - UA, OC, IE, EJ, AO

(a) UA (b) OC (c) IE (d) EJ

**Answer: (a) 140****Explanation:-**

140 is not a square of any number but rest numbers are the square.Hence, the answer is (a) 140.

**Answer: (c) 104****Explanation:-**

12 + (2)^{2}= 12 + 4= 16,

16 + (3)^{2}= 16 + 9

= 25,

25 + (4)^{2}= 25 + 16

= 41,

41 + (5)^{2}= 41 + 25

= 66,

Same,

**66 + (6)**^{2}= 66 + 36

**= 102**Hence, the answer is (c) 104.

**Answer: (a) 90****Explanation:-**

256 – 1 x 11 = 256 – 11

= 245,

245 – 2 x 11 = 245 – 22

= 223,

223 – 3 x 11 = 223 – 33

= 190,

190 – 4 x 11 = 190 – 44

= 146,

146 – 5 x 11 = 146 – 55

= 91.Then, the wrong term is 90.

Hence, the answer is (a) 90.

**Answer:****Explanation:-****Answer: (d) EJ****Explanation:-**

A + 2 = C, C + 2 = E, E + 2 = G

But J is given in the series instead of J.Hence, the answer is (d) E J.