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UNITED BOOK HOUSE-MISCELLANEOUS EXERCISE-EXERCISE
- If x prop y+z , y propz+x and z prop x+y, and the constant of variat...
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- If x,y,z be variable quantities such that (x+y+z) is constant and (z+x...
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- If x/y alphax+y and y/x alpha x-y, then show that x^2-y^2= constant.
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- The radii of two circles are 8 cm and 6 cm respectively. Find the diam...
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- If ax+by prop sqrt(xy), then show that (ax)^2+(by)^2 prop xy,
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- If y prop 1/x then show that x+y will be minimum when x=y.
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- If a^2+b^2+c^2 =16, x^2+y^2+z^2 = 25 and ax+by+cz = 20, then show tha...
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- At the starting of the year two friends Bhaskar and Indrajit starts a...
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- Samiran and Monojit start a business with a capital of Rs. 60,000 and ...
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- At the starting of the year two friends Bhaskar and Indrajit starts a...
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- The value of a machine depreciates at the rate of 10% every year.It wa...
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- The value of a plot of land increase by 3% every year. If the value of...
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- By compound interest, the interest of a sum in the 2nd year is Rs. 880...
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- If the compound interest of Rs.6400 in 18 months be Rs. 1008.80. Find ...
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- Rs, 16820 is divided among two brothers aged 27 years and 25 years. Th...
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- The simple interest in 3 years and compound interest in 2 years on a c...
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- In triangleABC, anglaBAC = 90^@ , if CD is a median of triangleABC, th...
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- The side BC of a triangle ABC is bisected at D; O is any point in AD. ...
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- Two tangents AB and AC drawn from an external point A of a circle touc...
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- Does the point (–2.5, 3.5) lie inside, outside or on the circle x^2 + ...
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