Find the missing term in each of the following:
15
Answer: Option [B]Solution:
[(5 - 3) + (5 - 2)]2 = [2 + 3]2 = 25
Hence, missing term = [(7 - 2) + (4 - 3)]2 = [5 + 1]2 = 36
Answer: Option [B]Solution:
[(5 - 3) + (5 - 2)]2 = [2 + 3]2 = 25
Hence, missing term = [(7 - 2) + (4 - 3)]2 = [5 + 1]2 = 36
Answer: Option [C]
Solution:
(6 × 2) + 1 = 13
(9 × 2) + 1 = 19
Hence, missing number = (8 × 2) + 1 = 17
Answer: Option [A]
Solution:
7 × (7 - 1) = 42 ⇒ 42 + 3 = 45
4 × (4 - 1) = 12 ⇒ 12 + 3 = 15
6 × (6 - 1) = 30 ⇒ 30 + 3 = 33
8 × (8 - 1) = 56 ⇒ 56 + 3 = 59
3 × (3 - 1) = 6 ⇒ 6 + 3 = 9
Hence, missing number = 5 × (5 - 1) = 20 ⇒ 20 + 3 = 23
Answer: Option [D]
Solution:
(111 + 25) - (43 + 35) = 136 - 78 = 58
So, the missing term = (48 + 180) - (34 + 56) = 228 - 90 = 138
Answer: Option [B]
Solution:
We have (6 - 4)2 = 22 = 4
(8 - 5)2 = 32 = 9
(9 - 2)2 = 72 = 49
So, the missing number = (12 - 6)2 = 62 = 36
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