Fill in the blanks
If a:2 = b:5 = c:8 , then 50% of a = 20% of b=____% of c.

If a : 5 = b : 2 = 2c : 25 , " then " 20% " of " a = 50% of b = __________ % of c .

Fill in the blanks : If A:B = 3:2, B:C = 3:5 then A:B:C =_______

A manufacturer has three machine operators A, B and C. The first operator A produces 1% defective items, where as the other two operators B and C produce 5% and 7% defective items respectively. A is on the job for 50% of the time, B is on the job for 30% of the time and C is on the job for 20% of the time. A defective item is produced, what is the probability that it was produced by A?

The salaries A, B and C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?

Let's find the values of the following: (b) 20% of 45,

In a city 20% of the population travels by car, 50% by bus and 10% travels by both car and bus. Then persons travelling by car or bus is-

If A lends ₨ 3500 to B at 10% p.a. and B lends the same sum of C at 11.5% p.a., then the gain of B (in ₨) in 3 years is____