Maths Class 5 Number Sense (7 and 8 Digit Numbers)

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

There is a 7-digit number X in which all the digits are different. Using the digits of X, two 5-digit
numbers Y and Z are formed, such that no digit is repeated within Y or within Z. What is the
MINIMUM number of digits that Y and Z must have in common?

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There is a 7-digit number X in which all the digits are different. Using the digits of X, two 5-digit numbers Y and Z are formed, such that no digit is repeated within Y or within Z. What is the MINIMUM number of digits that Y and Z must have in common?

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There is a 7-digit number X in which all the digits are different. Using the digits of X, two 5-digit
numbers Y and Z are formed, such that no digit is repeated within Y or within Z. What is the
MINIMUM number of digits that Y and Z must have in common?