If the digit 1 is placed after a 2-digit number whose tens is tand ones digit is u, the new number is ______.Fill in the blank to make the statement true.

Solution:

Stating the problem mathematically we have:

tu1 is the new number

(The answer key gives the answer as t41 which is perplexing because the ones digit is u in the original two digit number)

The generalized form of the number is:

100t + 10u + 1

✦ Try This: If the digit 1 is placed after a 2-digit number whose tens is a and ones digit is b, the new number is ______.

Stating the problem mathematically we have:

ab1 is the new number

The generalized form of the number is:

100a + 10b + 1

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 16

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NCERT Exemplar Class 8 Maths Chapter 13 Problem 33

If the digit 1 is placed after a 2-digit number whose tens is tand ones digit is u, the new number is ______.Fill in the blank to make the statement true.

Summary:

If the digit 1 is placed after a 2-digit number whose tens is t and ones digit is u, the new number is tu1.

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☛ Related Questions:

• A two-digit number ab is always divisible by 2 if b is an even number. Is the given statement true o . . . .
• A three-digit number abc is divisible by 5 if c is an even number. Is the given statement true or fa . . . .
• A four-digit number abcd is divisible by 4 if ab is divisible by 4. Is the given statement true or f . . . .