Question

A easy mental maths question in the attachment solve it !

Note :- Your answer must be " 70" ​

Answer 1

Step-by-step explanation:

20+20+20=60

20+20+10=50

10×3=30

10+20×3=70

Answer 2

So, umm.. from attachment we can see that those 3 stones( or whatever they are am not sure ) are equal to 60 so, if we want the value of 1 stone we need to divide 60 by 3;

• 60 ÷ 3 = 20 - - - - - - - ( i )
• And we can conclude that the value of one stone is 20. Let's move on to the next one;

Here, we can see 2 stone and one first aid box whose value is 50, now I know the value of stone, and thus we can find out that of first aid box,

• 20 + 20 + first aid = 50
• 40 + first aid = 50
• first aid = 50 - 40
• first aid = 10 - - - - - - - ( ii )

Now, we have one first aid box and one bottle(or anything else idk) which are equal to 30 so,

• 10 × wierd bottle = 30
• wierd bottle = 30 / 10
• wierd bottle = 3 - - - - - - - ( iii )

And finally, we are on our last step, from eq(i), eq(ii) & eq(iii);

• first aid+ stone × wierd bottle
• 10 + 20 × 3
• 10 + 60
• 70

So,they are equal to 70, and this is our final answer.

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Thank youu!! :)) $\:$