Let total work = 36 units (LCM of 18 and 12) Efficiency of ‘A’ = (36/18) = 2 units/day Efficiency of ‘B’ = (36/12) = 3 units/day Combined efficiency of ‘A’, ‘B’ and ‘C’ = (36/4) = 9 units/day Efficiency of ‘C’ = 9 – (2 + 3) = 4 units/day Required time taken = (36/4) = 9 days
In the given figure, Ab = 30 cm and CD = 24 cm. What is the value (in cm) of MN?
A solid cylinder has radius of base 14 cm and height 15 cm. 4 identical cylinders are cut from each base as shown in the given figure. Height of small c...
If median AD of an equilateral ∆ABC is 21 cm and G is centroid. Find GD?
A sector of a circle has a central angle of 120°. The radius of the circle is 14 cm. Find the area of the sector.
If I is the incentre of ΔABC , if ∠ BAC = 700 , then what is the measure of ∠ BIC?
The perimeter of a rectangle is 100 m, and its diagonal is 41 m. Find the area of the rectangle.
If I is the incentre of ΔABC , if ∠ BAC = 800 , then what is the measure of ∠ BIC?
In a ∆ ABC, the angle bisector of ∠A, ∠B, ∠C meet at point I, if ∠AIC is double of equilateral ∆ , then find the ∠ABC =? (in degree)
...B1 is a point on the side AC of ∆ ABC and B1B is joined. line is drawn through A parallel to B1B meeting BC at A1 and another line is drawn through C ...
In the given figure CD is parallel to AB then ∠y is?