Relations and Functions

Bihar Board Class 12 · Mathematics · 39 past questions

6 of 39 · show all

1. Q5 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2024 Set J2019 Set F

   If the operation $*$ is defined as $a * b = 2a + b$, then $(2 * 3) * 4$ is

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2. Q9 2026 Set J2026 Set B2024 Set D

   If the operation $*$ is defined as $a*b=2a+b$, then $(2*3)*4$ is

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3. Q15 2025 Set A2025 Set E

   If operation 'o' is defined as $(a\,o\,b)=a^3+b^3$, then $4\,o\,(1\,o\,2)=$

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4. Q17 2025 Set A

   If operation 'o' is defined as $(a \circ b) = a^2 + b^2 - ab$, then $(1 \circ 2) \circ 3 =$

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5. Q22 2023

   If the operation 'o' is defined as a o b = 3a + b then (2 o 3) o 5 =

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6. Q25 2023 Set E

   If the operation 'o' is defined as $a\circ b=3a+b$ then $(2\circ3)\circ5=$

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