For the following questions answer them individually
Find the value of $$200 \times 20 \times 2 \times 0.2 \times 0.02 \times 0.002$$=?
Ram requires 40% to pasS, If he gets 185 marks, he fails by 15 marks. What were the maximum marks in the exam ?
In a square park having a side of 23 m two 3 m wide paths run through the centre of the park. What will be the total cost of gravelling the path at the rate of ₹ 1/$$dm^2?$$
A man walks at a speed of 3 kmph. He doubles his speed after reaching exactly half way. He walks for 5 hours in all. What is the total distance travelled by him?
In an alloy of German silver. the ratio of copper to zinc was 21 : 16 while that of nickel to zinc was 7 : 24. What was the ratio of copper to zinc to nickel in the alloy?