Kim and Sim were playing. Kim asks Sim to form numbers with the digits 4, 0, 7 and 1. She gives her three different cases as:

i. Form four digit greatest numbers with no repetition of digits.
ii. Form four digit greatest number where one digit can be repeated twice.
iii. Form smallest four digit number where repetition of digits is allowed. So the numbers formed in the three cases will be

i-7401, ii-7741, iii-1100

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i-7410, ii-7741, iii-1000

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i-7410, ii-7441, iii-1001

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i-7401, ii-7400, iii-1140

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Solution

The correct option is B
i-7410, ii-7741, iii-1000

The greatest number that can be formed with no repetition of digits: 7410
The greatest number that can be formed with the repetition of one digit twice: 7741
The smallest number that can be formed by repeating all the digits: 1000

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Similar questions

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i. Form four digit greatest number with no repetition of digits.

ii. Form four digit greatest number where a digit can be repeated twice.

iii. Form smallest four digit number where repetition of digits is allowed.

So the numbers formed in the three cases will be:

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i. Form the largest four digit number with no repetition of digits.

ii. Form the largest four digit where two digits can be repeated twice.

iii. Form the smallest four digit number where repetition of digits is allowed four times.

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Ram and Shyam were playing. Ram asks Shyam to form numbers using the digits 4,3, 8 and 1. He gives him two different cases

1. Form the greatest four digit number with no repetition of digits.

2. Form the greatest four digit number where a digit can be repeated twice.

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