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Time taken by Nikhil to complete the whole work alone = 18/0.60 = 30 days Let the total work = 30 units Efficiency of (Akhil + Nikhil) = 30/6 = 5 units/day Efficiency of Nikhil = 30/30 = 1 units/day Efficiency of Akhil = 5 - 1 = 4 units/day Therefore efficiency of Sachin = 1.25 x 4 = 5 units/day Time taken by Sachin to complete the whole work alone = 30/5 = 6 days
A circle is inscribed in a triangle ABC with sides 12 cm, 16 cm, and 20 cm. What is the radius of the circle?
A regular hexagon has a side length of 6 units. What is the area of the hexagon?
The following table shows the number of students enrolled in different courses at a university:
What will come in place of '?' in the given expression?
{(14.25 + 124 ÷ 16 + 23) ÷ 243 (1/5) + √169} ÷ √0.16 = ?
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