If it is possible to make a three-digit number from the third, the fifth and the sixth digits of the number 30651972 using each digit only once, which is the square of an odd number the last digit of that three-digit number i your answer. If no such number can be formed you answer is 4 and if more than one such number can b formed your answer is 8.
Option
(1) 1
(2) 9
(3) 6
(4) 4
(5) 8

• third,fifth and sixth digits are 6,1,9
  three digit number made from this digits is 169 i.e square of a odd number(13)
  so last digit of 169 is 9
• 7 years agoHelpfull: Yes(0) No(0)