11th Class Mathematics MCQS Sets, Functions and Groups Online Test 1

3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-a-5-c-5-ccap-28-b-5-c-5-ccup-c-29-3-d-5-c-5-c-5-c-5-c-5-c-5-c-5-c-5-c-5-c-5-c-5-c-5-c-29-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-28-a-5-c-5-ccap-b-29-5-c-5-c-2-c-5-c-5-ccup-5-c-5-c-2-c-28-a-5-c-5-ccup-c-29-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-cos-28-5-c-5-ctheta-90-5-e-7-bo-7-d-29-cos-28-5-c-5-ctheta-2-b-90-5-e-7-bo-7-d-29-5-c-5-c-29-3-c-2-fspan-3-e-c-2-a-0-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-eequals-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-282-5-c-5-c-2-c-sin-5-c-5-c-2-c-5-c-5-ctheta-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-tan-28-tan-5-e-7-b-1-7-d-28-1-29-29-3-d-5-c-5-c-29-3-c-2-fspan-3-e-3-a-3-c-2-fp-3-e_-_3-cp-3-e-1-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-the-expansion-of-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-281-2-b-3-x-29-5-e-7-b-5-c-5-cfrac-7-b-1-7-d-7-b-2-7-d-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-c-2-a-0-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-eis-valid-only-when-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-7-cx-7-c-26-lt-3-b-5-c-5-cfrac-7-b-1-7-d-7-b-3-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-times-new-roman-22-2-c-22-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-if-a-2-c-b-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-family-3-a-symbol-22-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-c-3-8-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-times-new-roman-22-2-c-22-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-r-and-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-22-font-family-3-a-symbol-22-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-26-lt-3-b-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-27-font-family-3-a-22-times-new-roman-22-2-c-22-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-b-2-c-then-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-none-of-these-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-times-new-roman-22-2-c-22-serif-22-27-3-e-the-real-quadratic-equation-whose-one-root-is-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-282-5-c-5-csqrt-3-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-times-new-roman-22-2-c-22-serif-22-27-3-e-is-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-x-5-e-2-4-x-2-b-1-3-d-0-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-the-280-2-c-0-29-solution-of-the-system-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-a-7-b-1-7-dx-2-bb-7-b-1-7-dy-3-d-0-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-c-2-a-0-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-eand-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-a-7-b-2-7-dx-2-bb-7-b-2-7-dy-3-d-0-5-c-5-c-29-3-c-2-fspan-3-e-c-2-a-0-is-called-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-trivial-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-10-pt-22-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-in-any-triangle-abc-2-c-if-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-m-5-c-5-cangle-c-3-d-60-c-2-b-0-5-c-5-c-29-3-c-2-fspan-3-e-2-c-then-c-2-a-0-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-28-a-2-bb-2-bc-29-28-a-2-bb-c-29-5-c-5-c-29-3-c-2-fspan-3-e-c-2-a-0-3-c-2-fspan-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-3-d-e-2-80-a-6-e-2-80-a-6-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-ab-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-5-c-5-ccos-28-5-c-5-csin-5-e-7-b-1-7-dx-29-5-c-5-c-2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font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-times-new-roman-22-2-c-22-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-if-2-a-is-a-binary-operation-on-s-2-c-then-s-is-said-to-be-c-2-a-0-under-operation-2-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fstrong-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-times-new-roman-22-2-c-22-serif-22-27-3-e-3-cspan-style-3-d-22-color-3-ablack-22-3-e-closed-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,union-of-set-of-rational-and-irrational-numbers-is-set-of-3-a_-_real-numbers