Question

2. If 10 is added to 1/5 of a number, it becomes 19. The number is-
(a) 45
(b) 30
(c) 9
(d) none of these​

Answer 1

Answer:

Let the unknown number be x

then...

1/5x+10 = 19

1/5x = 19-10

1/5x = 9

x = 9x5

  = 45

Verification =

1/5 x 45

= 1x9

=9

9+10=19

Hence, a)45 is the answer

Answer 2

Question:-

➡ If 10 is added to 1/5th of a number, it becomes 19. What is the number.

Answer:-

➡ The number is 45

Solution:-

Let us assume that the number is x

Therefore, according to the given conditions,

➡10 + x/5 = 19

Subtracting 10 from both sides, we get,

➡ 10 + x/5 - 10 = 19 - 10

➡ x/5 = 9

Multiplying both sides by 5, we get,

➡ x/5 × 5 = 9×5

➡ x = 45

Hence, the number is 45.

Option a is the answer for your question.

Verification:-

Let us verify our result.

➡ Taking LHS,

10 + 45/5

= 10 + 9

= 19

➡ Taking RHS,

= 19

Hence, LHS = RHS.

So, our required answer is 19 (Verified)