Choose the correct option:
1. Take two digits, say 1 and 2. Make the greatest 4-digit number using both the digits
equal number of times.
(a) 1122
(b) 2112
(c) 2121
(d) 2211.
2. Take two digits, say 3 and 4. Make the smallest 4-digit number using both the digits
equal number of times.
(a) 3344
(b) 4433
(c) 4343
(d) 4334.
3. Take two digits 0 and 1. Make the greatest 4-digit number using both the digits equal
number of times.
(a) 1100
(b) 1001
(c) 1010
(d) None of these
4. Make the greatest 4-digit number using any four different digits with the condition that
5 is at ones place.
(a) 9875
(b) 9857
(c) 9758
(d) 9785.
5. Make the smallest four-digit number using any four different digits such that 5 is at ones
place,. (a) 1025
(b) 1205
(c) 1250
(d) None of these.
Solve the following:
6. Which digits have the same face value and place value in 92078634?
7. How many different 3-digit numbers can be formed by using the digits 0, 2, 5
withoutrepeating any digit in the number?
8. Write all possible 3-digit numbers using the digits 6, 0, 4 when
(i) repetition of digits is not allowed
(ii) repetition of digits is allowed
Answers
Answered by
6
Answer:
1. (d) 2211
2. (a) 3344
3. (a) 1100
4. (a) 9875
5. (a) 1025
6. the digits 0 & 4 have the sama place value and face value..
7. the no. that can be formed are - 205 , 250 , 502 , 520..
8. (i) 604 , 640 , 460 , 406..
(ii) 666 , 600 , 604 , 644 , 444 , 400 , 406 , 466
Step-by-step explanation:
hope it helps you
have a nice day ahead
Answered by
0
Answer:
1. (d) 2211
2. (a) 3344
3. (a) 1100
4. (a) 9875
5. (a) 1025
6. the digits 0 & 4 have the sama place value and face value..
7. the no. that can be formed are - 205 , 250 , 502 , 520..
8. (i) 604 , 640 , 460 , 406..
(ii) 666 , 600 , 604 , 644 , 444 , 400 , 406 , 466
Step-by-step explanation:
hope it helps you
have a nice day ahead
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