What least number must be subtracted from 518, so that the sum is completely divisible by 13?
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The circumference of a circle is 88 cm. Find its radius (in cm).
If a retailer offers a discount of 28% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up?
Two students appeared for an examination. One of them secured 16 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are
Find the LCM of 12, 16, 20 and 24.
If x = 313- 3-13, then 3x2 + 9x is equal to
A sphere of radius 5 cm is melted to form a cone with base of same radius. The height (in cm) of the cone is
If a cone is divided into two parts by drawing a plane through the midpoints of its axis, then the ratio of the volume of the 2 parts of the cone is