IBPS Government Jobs Exams Numerical Ability Ratio and Proportion

An alloy contains copper and zinc in the ratio 5 : 3 and another alloy contains alluminium and copper in the ratio 8 : 5. If equal weights of both the alloys are mixed together, then the weight of copper in the resulting alloy per kg will be

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IBPS Other Question

How many kg of tea worth Rs. 25 per kg must be blended with 30 kg of tea worth Rs. 30 per kg so that by selling the blended variety at Rs. 30 per kg there should be gain of 10%?
A) 30 kg B) 32 kg C) 36 kg D) 42 kg E) 34 kg Two equations numbered I and II are given. solve both the equations and give answer
I. 4x²+20x+21=0
II. 2y²+17y+35=0
A) if x>y B) if x≥y C) if x