**Number word problems worksheet :**

Worksheet on number word problems is much useful to the students who would like to practice solving word problems on "Numbers"

1. The sum of 5 times a number and 8 is 48. Find the number.

2. If, the sum of three consecutive integers is 108, find the integers.

3. If, the sum of three consecutive odd integers is 39, find the integers.

4. A number consists of three digits of which the middle one is zero and the sum of the other digits is 9. The number formed by interchanging the first and third digits is more than the original number by 297.Find the number.

5. Of two numbers, 1/5th of a the greater equal to 1/3rd of the smaller and their sum is 16. Find the numbers.

6. A number between 10 and 100 is five times the sum of its digits. If 9 be added to it the digits are reversed. Find the number.

7. A number between 10 and 100 is five times the sum of its digits. If 9 be added to it the digits are reversed. Find the number.

8. A two digit number is seven times the sum of its digits. The number formed by reversing the digits is 18 less than the given number. Find the given number.

9. If a number when divided by 296 gives a remainder 75, find the remainder when 37 divides the same number.

10. Find the least number which when divided by 35, leaves a remainder 25, when divided by 45, leaves a remainder 35 and when divided by 55, leaves a remainder 45.

**Problem 1 :**** **

The sum of 5 times a number and 8 is 48. Find the number.

**Solution : **

Let the number be ‘x’

Then, we have

5x + 8 = 48

Subtract 8 from both sides.

(5x + 8) - 8 = 48 - 8

5x = 40

Divide both sides by 5.

5x/5 = 40/5

x = 8

Hence, the number is 8.

Let us look at the next problem on "Number word problems worksheet".

**Problem 2 : **

If, the sum of three consecutive integers is 108, find the integers.

**Solution : **

Let "x", "x+1" and "x+2" be the three consecutive integers.

Sum of the three consecutive integers = 108

So, we have

x + (x+1) + (x+2) = 108

3x + 3 = 108

Subtract 3 from both sides

(3x + 3) - 3 = 108 - 3

3x = 105

Divide both sides by 3

3x/3 = 105/3

x = 35

Then,

x + 1 = 35 + 1 = 36

x + 2 = 35 + 2 = 37

Hence, the three consecutive integers are 35, 36 and 37.

Let us look at the next problem on "Number word problems worksheet".

**Problem 3 : **

If, the sum of three consecutive odd integers is 39, find the integers.

**Solution : **

Let "x", "x+2" and "x+4" be the three consecutive odd integers.

Sum of the three consecutive odd integers = 39

So, we have

x + (x+2) + (x+4) = 39

3x + 6 = 39

Subtract 6 from both sides

(3x + 6) - 6 = 39 - 6

3x = 33

Divide both sides by 3

3x/3 = 33/3

x = 11

Then,

x + 2 = 11 + 2 = 13

x + 4 = 11 + 4 = 15

Hence, the three consecutive integers are 11, 13 and 15.

Let us look at the next problem on "Number word problems worksheet".

**Problem 4 :**

A number consists of three digits of which the middle one is zero and the sum of the other digits is 9. The number formed by interchanging the first and third digits is more than the original number by 297.Find the number.

**Solution :**

Let "x0y" be the required three digit number. (As per the given information, middle digit is zero)

"The sum of the other digits is 9" ----> x + y = 9 -----(1)

"Interchanging the first and third digits" --------> y0x

From the information given in the question, we can have

y0x - x0y = 297

(100y + x) - (100x + y) = 297

100y + x - 100x -y = 297

-99x + 99y = 297

-x + y = 3 --------(2)

Solving (1) & (2), we get x = 3 and y = 6

So,

x0y = 306

Hence the required number is 306.

Let us look at the next problem on "Number word problems worksheet".

**Problem 5 :**

Of two numbers, 1/5th of a the greater equal to 1/3rd of the smaller and their sum is 16. Find the numbers.

**Solution :**

Let "x" and "y" be the required two numbers such that

x > y.

From the point "1/5th of a the greater equal to 1/3rd of the smaller", we have

(1/5)x = (1/3)y

3x = 5y

3x - 5 y = 0 --------(1)

From the point "their sum is 16", we have

x + y = 16 ----------(1)

Solving (1) and (2), we get x = 10 and y = 6.

Hence, the two numbers are 10 and 6.

Let us look at the next problem on "Number word problems worksheet".

**Problem 6 :**

A number between 10 and 100 is five times the sum of its digits. If 9 be added to it the digits are reversed. Find the number.

**Solution :**

Let "xy" be the required number between 10 and 100. (Two digit number)

"A number between 10 and 100 is five times the sum of its digits"

From the information above, we have

xy = 5(x+y)

10x + y = 5x + 5y

5x - 4y = 0 -------(1)

"If 9 be added to it the digits are reversed"

From the information above, we have

xy + 9 = yx

10x + y + 9 = 10y + x

9x - 9y = -9

x - y = -1 ---------(2)

Solving (1) and (2), we get x = 4 and y = 5.

Hence, the required number is 45.

Let us look at the next problem on "Number word problems worksheet".

**Problem 7 :**

One number is greater than thrice the other number by 2. If 4 times the smaller number exceeds the greater by 5, find the numbers.

**Solution :**

Let "x" and "y" be the two numbers such that x > y

Given : One number is greater than thrice the other number by 2

So, we have x = 3y + 2 ---------(1)

Given : 4 times the smaller number exceeds the greater by 5

So, we have 4y = x + 5 ---------(2)

Plugging (1) in (2), we get

4y = 3y +2 + 5

4y = 3y + 7

4y = 3y + 7

y = 7

Plugging y = 7 in (1), we get x = 3(7) + 2

Therefore x = 23

Hence the two numbers are 23 and 7.

Let us look at the next problem on "Number word problems worksheet".

**Problem 8 :**

A two digit number is seven times the sum of its digits. The number formed by reversing the digits is 18 less than the given number. Find the given number.

**Solution :**

Let "xy" be the required two digit number.

Given : Two digit number is 7 times the sum of its digits.

So, we have

xy = 7(x+y)

10x + y = 7x + 7y

10x + y = 7x + 7y

3x - 6y = 0

x - 2y = 0 --------(1)

Given : The number formed by reversing the digits is 18 less than the given number

So, we have

xy - yx = 18

(10x + y) - (10y + x) = 18

10x + y - 10y - x = 18

9x - 9y = 18

x - y = 2 --------(2)

Solving (1) and (2), we get x = 4 and y = 2

xy = 42

Hence the required number is 42.

Let us look at the next problem on "Number word problems worksheet".

**Problem 9 :**** **

If a number when divided by 296 gives a remainder 75, find the remainder when 37 divides the same number.

**Solution : **

Let the number be ‘x’

Then x = 296k + 75, where ‘k’ is quotient when ‘x’ is divided by ‘296’

In the above sentence we have 296 is multiplied by the constant "k", 75 is added to that. In this form , we consider the number 75 as remainder when the number x is divided by 296.

We want to find the remainder when we divide the number "x" by 37. To do this, we need to have 37 at the place where we have 296 in the above equation.

So we can write 296 as 37 times 8 and 75 as 37 times 2 plus 1. It has shown below.

x = 37 × 8k + 37 × 2 + 1

x = 37(8k + 2) + 1

Hence, the remainder is ‘1’ when the number ‘x’ is divided by 37.

Let us look at the next problem on "Number word problems worksheet".

**Problem 10 : **

Find the least number which when divided by 35, leaves a remainder 25, when divided by 45, leaves a remainder 35 and when divided by 55, leaves a remainder 45.

**Solution : **

For each divisor and corresponding remainder, we have to find the difference.

35-25=10

45-35=10

55-45=10

we get the difference 10 (for all divisors and corresponding remainders)

Now we have to find the L.C.M of (35,45,55) and subtract the difference from the L.C.M.

L.C.M of (35,45,55) = 3465

Hence the required least number = 3465-10 = 3455

After having gone through the stuff given above, we hope that the students would have understood "Number word problems worksheet".

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