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If 40% of k is 10 less than 2400% of 10, then k is:
Question

If 40% of k is 10 less than 2400% of 10, then k is:

A.

535

B.

575

C.

615

D.

555

Correct option is B

Given:

40% of k is 10 less than 2400% of 10

Solution:

40% of k = 2400% of 10 -10

40100×k=2400100×1010\frac{40}{100}\times k =\frac{2400}{100}\times 10-10

0.4k = 240 -10

0.4 k = 230 

k = 2300.4\frac{230}{0.4} = 575​

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