IBPS Government Jobs Exams Numerical Ability Profit and Loss

Instead of normal weighing scale a shopkeeper used forged scale. He used 1.4 kg scale while buying and 840 g scale while selling, what will his overall profit percentage, if in the end he offers 10% discount?
A) 50% B) 48% C) 40% D) 38%

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IBPS Other Question

There are 3 points P, Q and R in a straight line, such that point Q is equidistant from points P and R. A man can swim from point P to R downstream in 24 hours and from Q to P upstream in 16 hours. Find the ratio of speed of man in still water to speed of stream?
A) 5 : 1 B) 6 : 1 C) 5 : 3 D) 7 : 1 From A kg of pure tea a shopkeeper removes A% of the mixture (Either pure tea or adulterated tea) and replaces it with same quantity of adulteration. If he repeated this process once more and now the amount of pure tea remaining in the mixture is (90% of 40% of A) kg, then find the value of A.
A) 60% B) 50% C) 40% D) 30%