Question

Two numbers are 30% and 37% are less than a third number .How much percent is the second number less than the first?

Answer 1

Answer:

10 %

Step-by-step explanation:

Suppose the third number is 100.

Hence the first number is 30% less than third = 70

The second number is 37% less than third = 63.

Hence as per question,

second number = x% of first number

63 = x% of 70

63 = 70x/100

x = 90%

hence 63 = 90% of 70

which is 10% less than 70.

Answer 2

Answer:

Suppose the third number is 100.

Hence the first number is 30% less than third = 70  

The second number is 37% less than third = 63.

Hence as per question,

second number = x% of first number

63 = x% of 70

63 = 70x/100

x = 90%

hence 63 = 90% of 70

which is 10% less than 70.

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