150 – [70 – {60 – (30 + 20)} – 10]
Answers
Answered by
10
Solution:
150 – [70 – {60 – (30 + 20)} – 10]
/* Start opening the innermost
bracket first */
=150 – [70 – {60 – 50} – 10]
= 150 - [70 - 10 - 10]
= 150 - [ 70-20 ]
= 150 - 50
= 100
••••
150 – [70 – {60 – (30 + 20)} – 10]
/* Start opening the innermost
bracket first */
=150 – [70 – {60 – 50} – 10]
= 150 - [70 - 10 - 10]
= 150 - [ 70-20 ]
= 150 - 50
= 100
••••
amar675:
is this right?
sorry , edited
sorry 100 answer
:)
but real answer is 80
how?
Plz , check the brackets in the question.
if it is like this 150 - [ 70-{60-(30+20)} -10
we get 80
A number is three times the sum of its digits. Find the number.
Answered by
4
Hey!
Refer the below attachment !
Thanks!
Attachments:
A number is three times the sum of its digits. Find the number.
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