For the following questions answer them individually
A solid cuboid of dimensions 8 cm x 4 cm x 2 cm is melted and cast into identical cubes of edge 2 cm. Number of such identical cubes is
A man walks a certain distance in certain time, if he had gone 3 km an hour faster, he would have taken 1 hour less than the schedule time. If he had gone 2 km an hour slower, he would have been one hour longer on the road. The distance (in km) is
The length of a rectangle is twice the breadth. If area of the rectangle be 417.605 sq.m., then length is
If a chair sold for ₹600 at the profit of 20% then the original price of the chair is
The value of $$\frac{3\sqrt{7}}{\sqrt{5}+\sqrt{2}}-\frac{5\sqrt{5}}{\sqrt{2}+\sqrt{7}}+\frac{2\sqrt{2}}{\sqrt{7}+\sqrt{5}}$$ is
How much percentage above the cost price should a shopkeeper mark his good so that after allowing a discount of 10% he should gain 26% ?
30% of the students in a class has mobile phones, 10% of the students who have mobile phones has a bluetooth facility. If the class has 200 students, how many have bluetooth facility ?
In $$\triangle$$ ABC, O is the orthocentre and $$\angle$$ BOC = $$80^\circ$$, the measure of $$\angle$$ BAC is