Question

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

​

Answer 1

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

Answer 2

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