Mental Arithmetic: work the following exercises in your head. Do not calculate with a pencil or paper. Do not use a

decimal.

Think of the number seven.

Now add eight to it.

Now add four more.

Now subtract nine.

Now add three.

Your answer is

14

13

12

11

Question

Scarlet Berger

3 March, 22:37

+4

Answers (2)

Know the Answer?

Molly Blanchard · Answer 1

The answer is the second option (13)

Damien Arias · Answer 2

7 + 8

15 + 4

19 - 9

10 + 3

13

I know it said not to work it out on paper but here's how to get the answer.

Mental Arithmetic: work the following exercises in your head. Do not calculate with a pencil or paper. Do not use adecimal.Think of the number seven.Now add eight to it.Now add four more.Now subtract nine.Now add three.Your answer is14131211