Square root, Ratio and Proportions, Percentage MCQ with Answers

Square root, Ratio and Proportions, Percentage MCQ with Answers

11) How many days a mechanic takes to assemble 64 machines if he assembles 8 machines in 3 days?

Answer is:

24 days

12) What will be the rpm of smaller gear if a 180 mm dia meshes with 60 mm dia gear and the bigger gear makes 60 rpm?

Answer is:

180 rpm

13) What is the percentage of copper if the casting weight of copper 42.3 kg and tin weight 2.7 kg?

Answer is:

Cu 94%

14) A motor cycle tyre is sold for Rs 300/- what is the purchase price if 25% profit is added to it.

Answer is:

Rs 240

15) What is the decimal fraction of conversion of 18.5%?

Answer is:

0.185