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प्रश्न
Follow the directions and correct the given incorrect equation, written in Roman numerals:
Move one matchstick to make the equation valid. Find two different solutions.
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उत्तर
Given,
According to the question, we have to move one matchstick to make a valid equation.
(i) 
⇒ 6 + 4 = 10 ...[In numerical system]
(ii)
⇒ 6 + 5 = 11 ...[In numerical system]
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For riddle answer: substitute the number for the letter it equals
`()/1 ()/2 / ()/3 ()/4 ()/5 ()/6 ()/7 ()/8/()/4 ()/9`
