Question

50
Mathematics for Class 7
22. A number decreased by 40% gives 135. The number is
(d) 225
(c) 250​

Answer 1

Answer:

225

Step-by-step explanation:

- A number is 100% at first.

- When decreased by 40%, it becomes 100-40 = 60%

- Let the number be x.

- Then 60/100 * x = 135

- 0.6 * x = 135

- x = 135/0.6 or 1350/6 = 225.

Hope that helped :)

Answer 2

Here is your answer...

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