RRB Non technical 19-04-17mp9

RRB Non technical 19-04-17mp9
  1. Sea water can be purified by the process of………..distillation.
  2. Detergent clean surfaces on the principles of…………surface tension.
  3. Ammonal is a mixture of………aluminium powder and ammonium nitrate.
  4. The number of players in each side in Water Polo is………07.
  5. A kilowatt-hour is unit of………….power.
  6. If the duty on an article is reduced by 40% of its present rate,by how much percent must its consumption increase in order that the revenue remains unaltered………….66 2/3.
  7. From a container full of pure milk 20% is replaced by water and this process is repeated three times.At the end of third operation,the quantity of pure milk reduces to………..51.2%.
  8. The value of commodity depreciates 10% annually.If it was purchased 3 years ago and its persent value is Rs.5,832.What was its purchase price………….Rs.8,000.
  9. A certain sum of money amounts to Rs.2,420 in 2 years and Rs.2,662 in 3 years at some rate of compound interest,compounded annually.The rate of interest per annum is…………..10%.
  10. The compound interest on Rs.6000 at 10% per annum for 1 ½ years,when the interest being compounded annually is……………Rs.930.
  11. A train passes a platform 110m long in 40 seconds and a buy standing on the platform in 30 seconds.The length of the train is…………….330 m.
  12. The smallest number ,which when increased by 5 is divisible by each of 24,32,36 and 54 is……………859.
  13. The perimeter of two squares are 40cm and 24 cm.The perimeter of a third square,whose area is equal to the difference of the areas of these squares is……………..32 cm.
  14. The sea of Tranquility located in…………..South East Africa.
  15. ‘RH’ factor is a term that we hear in connection with………….Space travel.
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