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"Too often we try to solve human problem with non-human tools and in terms of non-human data. It is my simple thesis that a human problem requires a human solution. First we have to learn to recognise a human problem when we see one; and second, upon recognising it, we have to learn to deal with it as such and not as it were something else. A human problem to be brought to a human solution requires human data and human tools". Who said this?
Two alloys of zinc and copper are combined in the ratio 3 : 5 by volume. The resultant alloy is a 45% zinc alloy. What will be the proportion of zinc in the first alloy if the proportion of zinc in the second is 70%?
Consider the following statements regarding the human body:  I. The total number of bones in a human being during childhood is 298.  II. There are 35 bones in the head of the human body.  III. The thigh bone is the smallest bone in the human body.  Which among the above is/are correct?
Consider the following statements regarding the skin in a human body.  I. Skin is the largest organ in the integumentary system but it is the not the largest organ of the body.  II. It accounts for around 15 percent of the weight of the human body.  III. Skin commands a surface area of around 5 sq. metres in the human body.  Which among the above is/are correct?
Which of the following is/are the right way to declare a method?
1. function functionName() { function body }
2. scope function functionName() { function body }
3. method methodName() { method body }
4. scope method methodName() { method body }
In which of the following case we can surely say that the body A is charged: a) When a positively charged body is kept near to body A and it gets attracted b) When a negatively charged body is kept near to body A and it gets  attracted c) When a positively charged body is kept near to body A and it gets repelled
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
Alloy A contains copper and zinc in the ratio 5 : 2 and alloy B contains copper and zinc in the ratio 3 : 4. Alloy C is prepared by mixing A and B in the ratio 4 : 5. What is ratio of copper to zinc in alloy C is?
Amal preparing an alloy by mixing the other two alloys. The first alloy contains zinc and carbon in the ratio of 1 : 3 and the second alloy contains Aluminium and zinc in the ratio of 2 : 3 (both these alloys have only these elements in the solution). If the new alloy contains Aluminum and Zinc in the ratio of 3 : 5, what is the percentage of carbon in the new alloy?
If a 1 kg of metal having 25% of zinc and rest is copper is mixed with 5 kg of metal having 40% zinc and rest is other ‘P' metal. What is the ratio of three elements(Zinc, Copper & 'P' metal) in the resulting mixture?