Quants Questions : Percentage Set 2

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Click here to view: Percentage Set 1

1. 45% of  ? = 25% of 355
   A)195
   B)176
   C)127
   D)197.22
   
   Answer

   Answer -D) 197.22
   Explanation :
   (45/100) × X = (25/100) × 355
   X =(100/45) ×(25/100) × 355 = 197.22
   
   
   
2. Mil contain 10% of  water.What quantity of pure milk is should be added to 15litre of milk to reduce the water percentage is 7%
   A)6 lit
   B)6.4 lit
   C)6.2 lit
   D)6.6 lit
   
   Answer

   Answer – B) 6.4 lit
   Explanation :
   10% of water in 15 lit of milk =(10/100) × 15 = 1.5
   X lit of pure milk added to reduce water to 7% 150  =  105+7x
   7x   = 45
   X  = 45/7 = 6.4lit
   
   
   
3. Out of 500 students of a school 35% students plays football, 25% plays cricket  and 20% neither play football nor cricket.How many students play football and cricket ?
   A)200
   B)100
   C)50
   D)94
   
   Answer

   Answer -A) 200
   Explanation :
   Football = n(A) = (35/100)×500 = 175
   Cricket = n(B) = (25/100)×500 = 125
   neither play football nor cricket = ( 20/100)× 500 = 100
   both football and cricket = n(A U B) = 175 + 125 -100 = 200
   
   
   
4. The price of sugar is  reduced by 3%.How many kg of sugar can now be bought for the money which was sufficient to buy 50kg of rice earlier ?
   A)50kg
   B)55kg
   C)51.5kg
   D)56kg
   
   Answer

   Answer -C) 51.5 kg
   Explanation :
   Let one kg of sugar earlier = Rs. 100
   50 kg of sugar earlier = Rs. 5000
   Now 1 kg of sugar = Rs.97
   Quantity to buy now = 5000/97 = 51.5kg
   
   
   
5. Fresh fruits contains 70% of water  and dry fruits contain 20% of water.How much dry fruit can be obtained from 100kg of fresh fruits ?
   A)35
   B)37
   C)37.5
   D)40
   
   Answer

   Answer – C) 37.5
   Explanation :
   Quantity of pulb in 100kg of fresh fruit = (100 – 70) ×100= 30kg
   Quantity of dry fruit be x kg
   (100 – 20 ) % of x = 30
   (80/100) x = 30
   X = (30 × 100)/80 = 37.5
   
   
   
6. In an examination , full mark is 500, A gets 25% more than B, B gets 40% more than C and C gets 60% more than D.If A got 320 ,what percentage of full marks did D got (approx)?
   A)21
   B)22
   C)23
   D)24
   
   Answer

   Answer – C) 23
   Explanation :
   A = 125/100 of B => B =4/5 A
   B = 140/100 of C => C = 5/7 B
   C = 160/100 0f D => D = 5/8 C
   B = (4/5) × 320 = 256
   C = (5/7) × 256 = 183
   D = (5/8) × 183 = 114
   D percentage = (114/500) × 100 = 23%
   
   
   
7. If Harish height  is 30% less than that of Yokesh , How much percentage Yokesh height is more than that of Harish ?
   A)42.58%
   B)42.8%
   C)42.83%
   D)42.85%
   
   Answer

   Answer -D) 42.85%
   Explanation :
   
   
   
8. Depreciation applicable to an equipment is 25.%. The value of the equipment after 4 years from now will be less by(in percentage)?
   A)68.36%
   B)68.63%
   C)68.33%
   D)68.66%
   
   Answer

   Answer – A) 68.36%
   Explanation :
   Let present value = 100 lit
   Value after 4 years =
   = 100 × (81/256)= 31.64
   Reduction in value = 100 – 31.64 = 68.36
   
   
   
9. The population of a city is increased 5% ,7% and 11% in the last three years, What will be the present population if the population of a town is 2,40,000 three years ago ?
   A)2,99,600
   B)2,99,500
   C)2,99,400
   D)2,99,300
   
   Answer

   Answer -D) 2,99,300
   Explanation :
   2,40,000 × (105 / 100) × (107 / 100) × (111 / 100) = 2,99,300
   
   
   
10. 500 pencils were distributed equally among children in such a way that the number of pencil received by each child is 20% of the total number of children. How many pencil did each child receive ?
    A)45
    B)50
    C)55
    D)43
    
    Answer

    Answer -B) 50
    Explanation :
    Total no of children be X
    X × (20X/100) = 500
    X^2 /5 = 500
    X^2 = 500 × 5 = 2500
    X = 50