Taking successive discounts of 15% off and then 25% off is the same as taking a one time discount of 40%.
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False, if we take successive discounts 15% off and then 25% off is not same as taking 40% off at a time.

Step-by-step explanation:

Let Cost price = 100/-

After 15% discount on 100 Cost price is = 100 – 15 = 85

Again on RS. 85/- there is a discount of 25%  

After successive discount of 15% off and then 25% off on Cost price = 85 - 21.25 = 63.75

On the other hand

If 40% discount on the Cost price = 100/-

After successive discount of 40% off on Cost price = 100 – 40 = 60

The cost price by taking successive discount of 15% and 25% off is not same as discount of 40%

Therefore this is false.

the answer is 13 cm

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