Question

@ohyeahh I am posting your problem for you.
The numbers in each row and column of the square are written according to the same rule. By defining the rule, find the missing number.

5 | 11 | 36
-------------
11 | 4 | 125
-------------
15 | 15 | ?

Answer 1

36 - 11 = 25; 25 is 5^2 or you can say that 5 is sqrt(25)
-------------------------
125 - 4 = 121; 121 is 11^2 or you can say 11 is sqrt(121)
-------------------------
x - 15 = 15^2

x - 15 = 225
+15 +15

x = 240

or you can do it with the sqrt

sqrt(x-15) = 15 // square both sides

x - 15 = 225 and you do the same algebraic manipulation
+ 15 +15
x = 240

is 240 a given?
http://prntscr.com/14jd7p
your choices are:
a) 240
b) 250
c) 290
d) 300

Answer 2

*facepalm* i should have got it..
thank you. :)
but umm.. thats not the right answer. :o

Answer 3

it is not? lol

Answer 4

I mean it looks right.. but the book says its not.

Answer 5

so what was the book's explanation or rule?

Answer 6

It doesnt give any explanation. It just gives the correct answer. Its 250.

Answer 7

interesting!

Answer 8

then let us look for another rule that will satisfy that answer and will will be applicable to the rest

Answer 9

240 is an answer .Is this question multiple answer type?

Answer 10

Nope. single answer type.

Answer 11

Then it might be a printing mistake

Answer 12

hmm i guess. 240 looks right.

Answer 13

Ok so, 240 is right most probably. Thank you. :)

Answer 14

let us not give up on the idea that it might be a different answer.

Answer 15

hmm yeah.