Missing Number (SSC MTS 2019 Tier-1)

21. Find the missing number? [SSC MTS 16/08/2019 (Evening)]

(a) 71
(b) 45
(c) 38
(d) 51

Correct Answer: (d) 51

Solution:(d) Here, in the 1st column, 1st term - (2 x 2nd term) = 3rd term

37 - (5 x 2) = 37 - 10 = 27;

142 - (27 x 2) = 142 - 54 = 88;

87 - (18 x 2) = 87 - 36 = 51 .

22. Find the missing number? [SSC MTS 19/08/2019 (Evening)]

(a) 210
(b) 140
(c) 174
(d) 198

Correct Answer: (c) 174

Solution:(c) For row :-

4 x 4 = 16 x 4 = 64 - 1 = 63;

8 x 6 = 48 x 6 = 288 - 1 = 287 ;

7 x 5 = 35 x 5 = 175 - 1 = 174

23. Find the missing number? [SSC MTS 20/08/2019 (Evening)]

(a) 225
(b) 176
(c) 256
(d) 196

Correct Answer: (d) 196

Solution:(d) 7 + 5 = 12, (12) ^ 2 = 144;

9+4=13, (13) ^ 2 = 169 ;

8+6=14, (14) ^ 2 = 196

24. Find the missing number? [SSC MTS 20/08/2019 (Evening)]

(a) 90
(b) 64
(c) 67
(d) 79

Correct Answer: (c) 67

Solution:(c) Here, the pattern:

(8 × 3) + 1 = 25 ,(25 × 3) + 1 = 76

(5 × 3) + 1 = 16 , (16 × 3) + 1 = 49

(7 × 3) + 1 = 22 (22 × 3) + 1 = 67

25. Find the missing number? [SSC MTS 21/08/2019 (Morning]

(a) 101
(b) 111
(c) 144
(d) 121

Correct Answer: (d) 121

Solution:(d) Here, in all rows: (sum of 1st & 2nd term)² = 3rd term. 6+7= 13 ,13×13 = 169 ;

10+9=19, 19 × 19 = 361

8+3=11, 11 × 11 = 121 .

26. Find the missing number? [SSC MTS 21/08/2019 (Afternoon)]

(a) 6
b) 3
(c) 9
(d) 5

Correct Answer: b) 3

Solution:(b) logic:- In all row

√1st No. × 3rd No. = 2nd No.
1st Row :- √11 × 11 = √121 = 11
2nd Row :- √4 × 9 = √36 = 6
Similarly,
3rd Row :- √27 × ? = 9 ⇒ ? = 3

27. Find the missing number? [SSC MTS 21/08/2019 (Evening)]

(a) 104
(b) 112
(c) 96
(d) 108

Correct Answer: (a) 104

Solution:(a) Logic followed here is:

1st row: 7(13 - 1) = 7 × 12 = 84

2nd row: 4(19 - 1) = 4 × 18 = 72

Similarly,

3rd row: 8(14 - 1) = 8 × 13 = 104

28. Find the missing number? [SSC MTS 22/08/2019 (Afternoon)]

(a) 29
(b) 58
(c) 50
(d) 72

Correct Answer: (b) 58

Solution:(b) (Difference of 1st & 2nd term) x 2 = 3rd term.

(86 - 49) 2 = 74

(105 - 75) 2 = 60

(93 - 64) 2 = 58