WIurunuresians
. In selecting a two digit number upto 50
a) what is the probability of the digit in the
ten's place to be larger than the digit in the
one's place?
b) what is the probability of
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We know that all the numbers are formed with the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0. Some numbers are formed with one digit, some with two digits and some with many digits.
(i) There are 9 numbers of one digit. The smallest one-digit number is 1 (one) and greatest one-digit number is 9. All the digits become numbers when used as a number.
(ii) There are 90 numbers of two digits. The smallest two-digit number is 10 and greatest two-digit number is 99. In a two-digit number, one digit is placed at ten’s place and the other at one’s place.
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