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Ankur Malik

· started a discussion

· 1 Months ago

wrong answer (Question: 184065.0 )

option A and B ....both are correct

Question:
Which mathematical symbols can be placed at the place of * in the equation given below ?

 7 * 7 * 2 * 1 = 12

Options:
A) × – ÷
B) + – ×
C) × – +
D) + × –
Solution:
Ans: (b) 

7 + 7 – 2 × 1 

7 + 7 – 2

14 – 2 = 12

Knowledge Expert

· commented

· 1 Months ago

How you get 12 from 1st???

7 * 7 * 2 * 1 = 12

7× 7–2 ÷1

Apply BODMAS Rule,

49-2=47, so its incorrect option.
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