Saturday, 9 March 2013

Quiz on Ratio-proportion


1. Amit has some 50 paise coins, some 2 rupee coins, some 1 rupee coins and some 5 rupee coins. The value of all the coins is Rs 50. Number of 2 rupee coins is 5 more than the 5 rupee coins. 50 paise coins are double in numbers than 1 rupee coins  is Rs 26. How many 2 rupee coins does he have?
(1 ) 4          (2 ) 2          ( 3 ) 7        (4 )Cannot be determined       (5 )  None of these 

2 . The respective ratio between the present ages of Megha, Rita and Tina is 3 : 4 : 5. If the average of their present  ages is 28 years then what would be the sum of the ages of Megha and Tina together after 5 years?
(1 ) 45 year      (2 ) 55year       ( 3 ) 52 year     (4 ) 59year       (5 ) None of these

3. A sum of money is to be distributed among A , B ,C,D  in the proportion of 5:2:4:3. If C gets Rs 1000 more than D what is B’s share?
 (A ) Rs            500      (B ) Rs 1500    ( C) Rs 2000   (D ) Rs 2400    (E ) None of theses

4. The ratio of the number of boys and girls in a college is 7 :8 . If the percentage  increase in the number of boys and girls be 20 %  and 10 %  respectively, what will be the new ratio ?
(A )8 : 9           (B ) 17 : 18      ( C)21 : 22      (D ) Can’t be determined         (E ) None of theses

5. Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs 4000, the new ratio becomes 40 : 57. What is Sumit’s  salary ?
(A ) Rs 17000  (B ) Rs 20000  ( C) Rs 25500 (D ) Rs 34000              (E ) None of theses

6.The salaries  A , B , C  are in the ratio 2 : 3 : 5 . If the increments of 15 %, 10 % and 20%  are allowed respectively in their salaries , then what will be new ratio of their salaries ?
 (A ) 3 : 3: 10               (B ) 10 : 11: 20                                                                       ( C)23 : 33 : 60                         (D ) Cannot be determined                  (E ) None of theses

7 . Two number are in the ratio 3 : 5. If 9 is subtracted from each , the new numbers are in the ratio 12 : 23 . The smaller number is :
(A ) 27             (B )33              ( C) 49                        (D ) 55 (E ) None of theses

8. One angle of a quadrilateral is right angle and remaining three are in the ratio 2 : 3 : 4. Find the difference between largest and smallest?
a)80     b)60     c)90     d) None of these

9. A boy buys some pens and pencils for Rs 56 . If the pens cost Rs 5  each and pencils Rs 3 each , what is the ratio of pens to pencils , when the maximum no . of pens is purchased by the boy ?
(A ) 5:3                        (B ) 25 :3          ( C) 5 :1          (D ) 3 : 5          (E ) None of these

10.   A tub contains a mixture of two liquid P and Q in the ratio of 4 : 1. When 10 litre of the mixture is taken out and 10 litre of liquid Q is poured in the jar , the ratio becomes 2 : 3 . How many litre of liquid P was contained in the jar ?
(A ) 10 lit         (B ) 15 lit          ( C) 20 lit        (D) Can’t be determined          (E ) None of theses

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