Others Maths Puzzle

Rambali bought 2 cows and 1 buffalo. The ratio of the prices at which he bought a cow and a buffalo is 1: 3. He marked up the price of each cow and the buffalo by 20 % and 40 % respectively. He gave a discount of 40 % and 25 % on the sale of each of the two cows and the buffalo respectively. What is his overall profit/loss on this transaction?

A. 6.4 % Loss
B. 2.4 % Profit
C. 6.4 % Profit
D. 9.6 % Loss
E. 8.2 % Loss

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Others Other Question
A man observes the minute hand and the hour hand of a clock. The clock is faulty and the hands of
the clock move in anticlockwise direction. If this clock shows the correct time at 4:00 a.m., then
what time will it show at 6:15 a.m.?
(a) 2:45 a.m. (b) 2:15 a.m. (c) 1:45 a.m. (d) 1:15 a.m. Find the maximum value of n such that
570*60*30*90*100*500*700*343*720*81 is perfectly divisible by 30^n.