[1 Mark Question Answer]

Question 11 Mark

How many 5-digit numbers are there in all?

Answer

Largest number of 5-digits = 99999 Largest number of 4-digits = 9999
Required number=99999 – 9999 = 90,000
So, 90,000 numbers are there in all.

Question 21 Mark

How many numbers lie between the largest 3-digit number and the smallest 4-digit
number?

Answer

Largest 3-digit number = 999
Smallest 4-digit number = 1000
Required number = (1000 – 999) = 1

Question 31 Mark

Starting from the smallest 7-digit number, write the next four numbers in ascending
order.

Answer

Smallest 7-digit number = 10,00,000
Next four numbers in ascending order
10,00,001 < 1000002 < 1000003 < 1000004 <1000005

Question 41 Mark

Starting from the greatest 5-digit number, write the previous five numbers in descending order.

Answer

Greatest digit number = 99,999
Next four numbers in descending order
99,999 > 99998 > 99997 > 99996 > 99995

Question 51 Mark

Write the smallest number which is just more than 9,99,999.

Answer

Given number = 9,99,999
Smallest number which is more than 1 is = 9,99,999 + 1 = 10,00,000

Question 61 Mark

Would the number of students in your school be a 3-digit number or a 4-digit number or a 5-digit number?

Answer

Note: This answer will vary from school to school.
Since the total strength of M.G.N. Public school is 5410.
Hence, It is a 4-digit number.

Question 71 Mark

Find the difference between the place values of 3 and 5 in the number 3945.

Answer

Place values of 3 in 3945 is 3000 and 5 is 5
Difference between them = 3000 – 5 = 2995

MATHS [1 Mark Question Answer]