Mental Maths Class 5 Playing with Numbers

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

. Which digit appears in the tens place of the second largest 5-digit number formed using 1, 5, and
7, where each digit is used at least once?
a) 5 b) 7 c) 1 d) Either a or c

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