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प्रश्न
If the binary operation * is defined on the set Q + of all positive rational numbers by a * b = `" ab"/4. "Then" 3 "*" (1/5 "*" 1/2)` is equal to ____________.
पर्याय
`3/160`
`5/160`
`3/10`
`3/40`
MCQ
रिकाम्या जागा भरा
उत्तर
If the binary operation * is defined on the set Q + of all positive rational numbers by a * b = `" ab"/4. "Then" 3 "*" (1/5 "*" 1/2)` is equal to `underline(3/160)`.
shaalaa.com
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