A train travels 40% faster than a car. Both start from point A at the same time and reach point B, 140 km away at the same time. On the way the train takes 25 minutes for stopping at the stations. What is the speed (in km/hr) of the train?
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A certain sum of money triples itself in 5 years at simple interest. In how many years it will be five times? |
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If x + (1/x) = 2, then what is the value of x64 + x121? |
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If $x=6+2\sqrt{6}$ ,then what is the value of $ \sqrt{x-1}+\dfrac{1}{\sqrt{x-1}}$ ? |
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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)? |
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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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