Question

Kavita thinks of a number and subtracts it from 250. The answer she gets is less than 150. What could Kavita's number be?

pls explain your answer ,..............

Answer 1

Kavita thinks of a number. Let us say it is N.

She subtracts it from 250 to get an answer less than 150. Let the answer be  A.  If she subtracts 100 from 250, she will get 150.

So if she subtracts a number N more than 100 but less than 250, then she will get a number A less than 150.

using math notation,     250 - N = A
                                        A < 150
                                   250 - N < 150
                                   250 - 150 < N
                                   N > 100
Also she gets a positive result after subtaction (probably) then the number is less than 250.

Answer 2

Step-by-step explanation:

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kvnmurty

KvnmurtyThe Sage

Kavita thinks of a number. Let us say it is N.

She subtracts it from 250 to get an answer less than 150. Let the answer be A. If she subtracts 100 from 250, she will get 150.

So if she subtracts a number N more than 100 but less than 250, then she will get a number A less than 150.

using math notation, 250 - N = A

A < 150

250 - N < 150

250 - 150 < N

N > 100

Also she gets a positive result after subtaction (probably) then the number is less than 250.