Exam Maths Puzzle Numerical Ability Percentage

There are 2,94,000 tractors in a particular state, out of which 1,50,000 are manufactured by Mahindra. Out of every 1,000 Mahindra tractors, 98 are red in colour and 5.3% of the total number of tractors in the state are red. What percentage of non-Mahindra tractors are red?
Option
(a) 0.6125
(b) 0.5025
(c) 0.5130
(d) 0.6425

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Exam Other Question
On a perticular day, the ratio of the number of passengers travelled by first class and to that of by second class between two railway stations was 1 : 50, whereas the ratio of fare of first class to that of second class between the same stations was 3 : 1. The amount of 1,325 was collected from the passengers travelled between the two stations, what was the amount collected from the passengers travelled by second class?
Option
(a) 850
(b) 750
(c) 1,000
(d) 1,250 Two shopkeepers sell radios of the same brand at the same list price of 1,000. The first shopkeeper allows two successive discounts of 20% and 10% and the second allows two successive discounts of 15% and 15%. Find the difference in the discounts offered by the two shopkeepers.
Option
(a) 3.50
(b) 1.50
(c) 2.50
(d) 1.75