Question

Number of two digit numbers that can be formed (a) 90 (b) 91 (c) 99 (d) 98

Answer 1

Answer:

99

Step-by-step explanation:

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Answer 2

Given,

All possible two-digit numbers.

To find,

The number of two digits numbers that can be formed.

Solution,

• We know that the smallest possible two-digit number is 10.

• The largest possible two-digit number is 99.

• Hence, the number of two-digit numbers is all the numbers between 10 and 99 including 10 and 99.

• The number of two-digit numbers between 10 and 99 can be calculated using ⇒ largest - smallest + 1.

        ⇒ 99 - 10 + 1

        ⇒ 90.

Hence, the Number of two-digit numbers that can be formed is 90.(Option a).