For the following questions answer them individually
6 labourers can finish a work in 16 days. 10 labourers are available, but the work is to be finished by 8 days. How many more labourers are to be called to finish the work in time?
R, S and T can finish a work in 20, 15 and 10 days, respectively. R works on all days and S and T work on alternate days with T starting the work on the first day. In how many days is the work finished?
The side of an equilateral triangle is 12 cm. What is the area (in $$cm^{2}$$, rounded off to 2 decimal places) of the triangle? Given: $$\surd{3} = 1.732$$
A dishonest shopkeeper sells mangoes at ₹30/kg bought at ₹20/kg and he is giving 800 g instead of 1 kg. The shopkeeper’s actual profit percentage is:
Simplify $$\frac{1}{2 + 2p} + \frac{1}{2 + 2q} + \frac{1}{2 + 2r}$$, where $$p = \frac{x}{y + z}$$, if $$q = \frac{y}{z + x}$$ and $$r = \frac{z}{x + y}$$.
A ball is to be made with inner radius of 2 units and outside radius of 3 units. How much material is required to make the ball?
4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
The given chart shows the marks scored by a class X student in different subjects.
If the total marks are 1800, then find the marks in social science.
If a $$\cot \theta = b$$, then what will be the value of $$\frac{b \cos \theta - a \sin \theta}{b \cos \theta + a \sin \theta}$$?
The time required for a sum of money to amount to three times itself at 8% simple interest p.a. will be: