EASY
Earn 100

Priya plays a number game and follows the below steps.

Step 1: Choose a two-digit number between 20 and 100.

Step 2: Add digits together.

Step 3: Subtract the sum from the original number.

Which of the following statement is true of the resultant number in step 3?

50% studentsanswered this correctly

Important Questions on Playing with Numbers

MEDIUM

In the question given below, the numbers in the figures are related. Identify their relationships and find the missing numbers in the given figures.

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MEDIUM

Which number will replace the question mark?

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MEDIUM

In the question given below, the numbers in the figures are related. Identify their relationships and find the missing numbers in the given figures.

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MEDIUM

In the question given below, the numbers in the figures are related. Identify their relationships and find the missing numbers in the given figures.

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MEDIUM
A two-digit number is 4 times the sum of its digits. If 18 is added to the number, the digits are reversed. Find the number.
MEDIUM

Which number will replace the question mark?

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EASY

Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

l _ chtlgc _ tlg _ ht _ gc _ tlgch _

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

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 _____.

EASY
If in a certain way, 3  +  4  =  25 and 7  +  24  =  625, then 9  +  40  =  ?
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
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

EASY

Replace A, B, C by suitable numerals.

CB5-28A259

MEDIUM
Find the value of the letters in the following

4A+98CB3
EASY

Replace A, B and C by suitable numerals.

5A+87CB3

EASY

Replace A, B by suitable numerals.

6A-AB37

EASY

Find the value of A and B in 5AA5B9 (Addition)

MEDIUM
 Solve each of the following Cryptarithms:
2AB+AB1B18
EASY

Replace A, B and C by suitable numerals.

4CB6+369A8173

EASY

Replace A, B by suitable numerals.

A+A+ABA