Question

alan thinks of a number. he squares it, then takes away 1, next multiplies it by 2, takes away 6, divides it by 4 and finally adds 5. his answer is 11. what number did alan start with?

Answer 1

A number first squares it, then takes away 1, next multiplies it by 2, takes away 6, divides it by 4 and finally adds 5. the answer is 11

then the number is 4

According to the question, given that

A number first squares it, then takes away 1, next multiplies it by 2, takes away 6, divides it by 4 and finally adds 5. the answer is 11

Square of 4 = 16

16 - 1 = 15

15 * 2 = 30

30 - 6 = 24

24 ÷ 4 = 6

then add 5

6 + 5 = 11

Therefore, after solve we get 11 and the number is 4.

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Answer 2

A number is first squared, then multiplied by 2, then divided by 4, then added, before having 1 subtracted from it. The solution is 11.

then 4 is the number.

In response to the query, assuming that

A number is first squared, then multiplied by 2, then divided by 4, then added, before having 1 subtracted from it. The solution is 11.

Square of 4 = 16

16 - 1 = 15

15 * 2 = 30

30 - 6 = 24

24 ÷ 4 = 6

then add 5

6 + 5 = 11

Therefore, after solve we get 11 and the number is 4.