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Get access to the detailed solutions to the previous years questions asked in CMAT exam.
5 digit number - _ , _ , _ , _ , _
It is given that first and last digit is a perfect square, it can be 0, 1, 4, 9
It is mentioned that middle digit is sum of first and last digits; therefore, 9 cannot be one of the digits.
1) 1 , _ , 1 , _ , 0
2) 1 , _ , 5 , _ , 4
3) 4 , _ , 5 , _ , 1
It is mentioned that the second and fourth digits are the difference between first and third digits, third and fifth digits. Therefore,
1) 1 , 0 , 1 , 1 , 0
2) 1 , 4 , 5 , 1 , 4
3) 4 , 1 , 5 , 4 , 1
Answer is option A.