EASY
Earn 100

Write the number 9678 in the expanded form.

Important Questions on Playing with Numbers

MEDIUM

Consider a three-digit number with the following properties:

I. If its digits in units place and tens place are interchanged, the number increases by 36
II. If its digits in units place and hundreds place are interchanged, the number decreases by 198 .

Now, suppose that the digits in tens place and hundreds place are interchanged. Then, the number

HARD
The number of all 2-digit numbers n such that n is equal to the sum of the square of digit in its tens place and the cube of the digit in units place is
EASY

If, in a two-digit number, the digit at unit place is x and the digit at tens place is 4, then the two-digit number is _____.

MEDIUM
Consider the set A of natural numbers n whose units digit is non-zero, such that if this units digit is erased, then the resulting number divides n. If K is the number of elements in the set A, then
EASY

Complete.

116= hundreds + tens+ ones=++

MEDIUM

Give the expanded form for the below-given number.

157

MEDIUM

Give the expanded form for the below-given number.

195

MEDIUM

Give the expanded form for the below-given number.

188

MEDIUM

Give the expanded form for the below-given number.

162