For the following questions answer them individually
The table given below shows the production and consumption of coals of 6 different countries.
What is the value of total consumption of coal of all the 6 countries?
Simplify the given expression.
$$\left(5x + 8y\right) \left(25x^{2} + 64y^{2} - 40xy\right)$$
A civil contractor planned to build an over bridge of 3 km distance in 600 days. For this purpose, he employed 90 workers. After 200 days of work, it was observed that only 0.5 km of the bridge was completed. What is the number of extra workers required to complete the work in time?
A shopkeeper bought a cycle for ₹1,200 and sold it for ₹1,500. Find his profit/loss percentage.
9435 is added to 7593, then 2607 is subtracted from the sum. The result is divisible by:
In a $$\triangle$$ XYZ. XO is the median and $$XO =\frac{1}{2}YZ$$. If $$\angle YXO = 30^{\circ}$$. then what is the value of LXYZ ?
A copper sphere of diameter 18 metre is drawn into a cylindrical wire of length 12 metre. What is the radius of the wire?
The length and breadth of a cuboid is increased by 20% and 25%, respectively, while its height is reduced by 30%. What must be the total percentage increase/decrease in the volume of the cuboid?