If a + b + c = 27, then what is the value of (a – 7)3 + (b – 9)3 + (c – 11)3 – 3(a – 7)(b – 9)(c – 11)?
If $x=\dfrac{2\sqrt{15}}{\sqrt{3}+\sqrt{5}}$,then what is the value of $ \dfrac{x+\sqrt{5}}{x-\sqrt{5}}+\dfrac{x+\sqrt{3}}{x-\sqrt{3}}$ ? |
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The perimeter of an isosceles triangle is 32 cm and each of the equal sides is 5/6 times of the base. What is the area (in cm2) of the triangle ? |
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If length of each side of a rhombus PQRS is 8 cm and ∠PQR = 120°, then what is the length (in cm) of QS? |
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In the given figure ABC is a triangle ,The bisectors of Internal ∠B and External ∠C interest at D. If ∠BDC =48°,then what is the value(in degrees) of ∠A? |
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In the given figure, O is the center of the circle and ∠DCE=45°.If CD=10√2 cm,then what is the length(in cm) of AC.CB=BD |
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What is the Simplified Value of $\dfrac{sin2A}{1+cos2A}$ ? |
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which is simplified value of $ \left(\dfrac{secA}{cosA+tanA}\right)^{2} $ ? |
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What is the simplified value of 1 + tan A tan (A/2)? |
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The pie chart given below shows the number of shoes of 5 different brands in a multi brands store.There are total 1200 shoes. |
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The pie chart given below shows the number of shoes of 5 different brands in a multi brands store.There are total 1200 shoes. |
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