Study the given pattern carefully and select the number that can replace the question mark (?) in it. 6, 5, 15, 10 = 91; 8, 20, 7, 9 = 157; 4, 13, 12, 18 = ?
178
178 is correct.
In each group a, b, c, d, the rule is: product of the 2nd and 3rd numbers + the 1st number + the 4th number.
First group: \(5 \times 15 + 6 + 10 = 75 + 16 = 91\). Second group: \(20 \times 7 + 8 + 9 = 140 + 17 = 157\).
Third group: \(13 \times 12 + 4 + 18 = 156 + 22 = 178\).
So 178 replaces the question mark.
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Important Questions from Missing Number
Find the missing number from the below options.
Find the missing number from the below options.
Find the missing number from the below options.
In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives
12
17
121
21
81
144
36
45
?
In the following question, find the missing number from the given series.
4, 12, 48, 240, 1440, ?
