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यदि 14" "#" 3 ""@"" "4 = 46"तथा " 19" "#...

यदि `14" "#" 3 ""@"" "4 = 46"तथा " 19" "#" "4" ""@"" "3 = 79`, हो , तो `21" "#" "4" ""@"" "1 = ?`

A

25

B

92

C

85

D

97

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
`14" "#" "3" ""@"" "4 = 46`
`rArr 14 xx 3 + 4 = 46`
`rArr 42 + 4 = 46`
प्रतीक '#' का अर्थ है `'xx'`तथा प्रतीक '@'का अर्थ है '+' |
`19" "#" "4" ""@"" "3 = 79`
`rArr 19 xx 4 + 3 = 79`
`rArr 76 + 3 = 79`
अतः,
`21" "#" "4" ""@"" "1 = ?`
`rArr ? = 21 xx 4 + 1`
`rArr ? = 84 + 1 = 85`
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