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If (3)^(2)"@"1**7=98 and (4)^(2)"@"2**16...

If `(3)^(2)"@"1**7=98` and `(4)^(2)"@"2**16=178`, then `(5)^(2)"@"3**9=?`

A

218

B

262

C

253

D

259

Text Solution

Verified by Experts

The correct Answer is:
B
`(3)^(2)" @" 1**7=98`
`implies(3)^(2)xx10+1+7=98`
`implies90+8=98`
`(4)^(2)" @ "2**16=178`
`implies(4)^(2)xx10+2+16=178`
`implies160+18=178`
Therefore,
`(5)^(2)"@ "3**9=?`
`implies(5)^(2)xx10+3+9`
`implies250+12=262`
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KIRAN PUBLICATION-SYMBOLS & NOTATIONS-TYPE-I (vii)
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  3. If (3)^(2)"@"1**7=98 and (4)^(2)"@"2**16=178, then (5)^(2)"@"3**9=?

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  4. If 6 @ 4 @ 7 = 101 " and " 2 @ 5 @ 11 = 150 , then what is the valu...

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  6. If 18xx12=206 and 19xx22=408, then 23xx36=?

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  7. If 11 $ 25 =18 ,12$ 20=16 then what is the value of 4$ 50 =?

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  8. If 35% 31 = 12, 92% 30 = 14 then what is the value of 15% 24 = ?

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  9. If 6#30=5,8#24=3,7#28=4, then what is the value of 8#40=?

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  10. If 3%2 = 50, 2%4 = 60, then what is the value of 5 % 4 = ?

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  11. If 23$35 = 13, 3$5 = 8 then what is the value of 4$13 = ?

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  12. If 19+4# 5=39 and 21 # 5+6=111, then 11+15 # 5=?

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  13. If 14 # 3" @ "4 =46 and 19 # 4" @ "3=79 then 21 # 4" @ "1=?

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  15. If 4" @ "9# 3=-2 and 11 # 2" @ "6=7, then 14" @ "3 # 7=?

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