Instructions

Study the sets of numbers given below and answer the questions, which follow :
972 682 189 298 751

Question 144

If in each number, second and the third digits are interchanged, what will be the sum of first digit of the smallest number and last digit of highest number ?

Solution

Set : 972 , 682 , 189 , 298 , 751

If 2nd and 3rd digits are interchanged,

Set : 927 , 628 , 198 , 289 , 715

Smallest number = 198

Highest number = 927

=> Sum = 1 + 7 = 8

=> Ans - (D)

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