An alloy contains copper and tin in the ratio 3: 2. If 250 gm of copper is added to this alloy then copper in it becomes double the quantity of tin in it. What is the amount (in gm) of tin in the alloy? 

Which state has cancelled reservation in promotion for state government employees?

Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select No Improvement. 

It is danger to cross the road unmindfully. 

If 14 # 13 = 1 and 27 # 36 = 0, then 46 # 31 = ?

How is the rank of agricultural producers determined?

The value of  $${cosec^2} 18° -{1\over cot^272°}$$.

People in all the following countries had to be resettled after the 1986 Chornobyl nuclear disaster, except