Question

18. A bicycle is sold at a gain of 16%. Had it been sold 100 more, the gain would have been 20%. Find the C.P. of the bicycle.
Hint: Let C.P. = 100.
Difference between the two selling prices = (120 - 116) = 4, etc.)​

Answer 1

Answer:

If we suspend a ebonite rod (charged) and now we bring a charged glass rod near it. What will happen and why?