The sum of a fraction and 3 times its reciprocal is 31/6. What is the fraction?
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If the diameter of a circle is 35 cm, then what will be its circumference (in cm)?
A cone of height 12 cm and diameter 10 cm is mounted on a hemisphere of the same diameter. What is the volume of the solid thus formed?
Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.
The surface area of a sphere is 5544 cm2. Find its diameter (in cm).
In a triangle ABC, if ∡A +∡C = 140° and ∡A + 3∡B = 180°, then ∡A is equal to
One internal angle of a rhombus of side 12 cm is 120°. What is the length of its longer diagonal?
Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?