Addition of common difference in a series of numbers shortcut tricks
Example 1:
49, 55, 61, 67 and 73
here we apply the shortcut tricks which help us to get the result quick
Answer :
Step 1: Add the smallest number to biggest number that is 49 + 73 = 122
Step 2: then multiply the sum 122 x 5 = 610
Step 3: At last divide the number by 2, 610 / 2 = 305
Thus 49 + 55 + 61 + 67 + 73 = 305.
Example 2:
36, 44, 52, 60 and 68
here we apply the shortcut tricks which help us to get the result quick
Answer :
Step 1: Add the smallest number to biggest number that is 36 + 68 = 104
Step 2: then multiply the sum 104 x 5 = 520
Step 3: At last divide the number by 2, 520 / 2 = 260
Example 3:
77, 82, 87, 92 and 97
here we apply the shortcut tricks which help us to get the result quick
Answer :
Step 1: Add the smallest number to biggest number that is 77 + 97 = 174
Step 2: then multiply the sum 174 x 5 = 870
Step 3: At last divide the number by 2, 870 / 2 = 435.
Example 4 :
77, 66, 55, 44 and 33
here we apply the shortcut tricks which help us to get the result quick
Answer :
Step 1: Add the smallest number to biggest number that is 77 + 33 = 110
Step 2: then multiply the sum 110 x 5 = 550
Step 3: At last divide the number by 2, 550 / 2 = 275.
