Question

3. Find a number which when multiplied by 5 is increased by 80.
4. The sum of three consecutive natural numbers is 114. Find the numbers.
5. When Raju multiplies a certain number by 17 and adds 4 to the product, he gets 225​

Answer 1

3)when number is multiplied by 5 is increased by 80 is 17

because 17×5=85

4)let the three numbers be x,x+1,x+2

x+x+1+x+2=114

3x+3=114

3x=111

x=37

therefore numbers are 37,38,39

5)let the number be x

therefore

x×17+4=225

x×17=221

x=13

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Answer 2

3. solution

Let the number be x

According to the question

x×5=x+80

5x=x+80

5x-x=80

4x=80

x=80/4

x=20

4. Solution

Let the three consecutive natural numbers be x, x+1 and x+2

According to the question

x+x+1+x+2=114

3x+3=114

3x= 114-3

3x=111

x= 111/3

x=37

Therefore, three consecutive natural numbers are 37,38 and 39.

5. solution

Let the number be x

According to the question

17x+4=225

17x= 225-4

17x=221

x=221/17

x=13