MATHS 3 Marks Question

Label the remaining positions by observing the patterns of numbers on the number line below:

Calculate the digit sums of
(i) 4-digit numbers
(ii) 5-digit numbers
whose digits are consecutive. Do you notice any pattern?

Write two five digit numbers whose sum is 28,500.

Form the largest and smallest 4-digit numbers using each of digits 7, 1, 0, 5 only once.

In a four digit number, the digit in one's place is 3 times the digit in the ten's place, The digit in hundred's place is 5 times that in ten's place. The thousand's place digit is 6 more the digit in the ten's place.

Find the largest possible 6 -digit number with unique digits having 9 in a hundred's place.

In a four digit number, the digit in the one's place is 1 more than that in ten's place. The digit in thousand's place is 4 more than that in hundred's place. The digit in hundred's place is twice that in ten's place. If the digit in ten's place is 1, find the number.

Rearrange the digits of 10084305 to get the smallest number of 8 digits.