51). A trader has 600 kg of rice, 3 part of which he sells at 15% profit and the remaining quantity at 20% loss. 0n the whole, he incurs an overall loss of 6%. What is the quantity of rice he sold at 20% loss?
A). 250 kg 
B). 320 kg 
C). 420 kg 
D). 360 kg 
E). 480 kg 

52). A vessel contains a mixture of grape, pineapple and banana juices in the respective ratio of 4 : 6 : 5. 15 litre of this mixture is taken out and 8 litre of grape juice and 2 litre of pineapple juice is added to the vessel. If the resultant quantity of grape juice is 10 litre less than the resultant quantity of pineapple juice, what was the initial quantity of mixture in the vessel ?
A). 120 
B). 150 
C). 105 
D). 135 
E). 90 

53). B' is 3 years elder to 'A' and 'B' is also 3 years younger to 'C'. 3 years hence, the respective ratio between the ages of A and C will be 4 : 5. What is the sum of the present ages of A, B and C?
A). 48 years 
B). 56 years 
C). 63 years 
D). 84 years 
E). 72 years 

54). If the volume and curved surface area of a cylinder are 616 m3 and 352 m2 respectively, what is the total surface area of the cylinder? (in m2)
A). 429 
B). 419 
C). 435 
D). 421 
E). 417 

Directions [5559] : Study the table and answer the given questions.
Data related to candidates appeared and qualified from State ‘X’ in a competitive exam during 5 years .
Years 
Number of apperared candidates 
Percentage of appeared candidates who qualified 
Respective ratio of number of qualified male and number of qualified female candidates. 
2006 
700 
 
3 : 2 
2007 
 
 
5 : 3 
2008 
480 
60% 
 
2009 
 
42% 
9 : 5 
2010 
900 
64% 
 

55). In 2010, if the number of female qualified candidates was 176, what was the respective ratio of number of male qualified candidates and number of female qualified candidates?
A). 25 : 16 
B). 5 : 4 
C). 25 : 11 
D). 21 : 16 
E). 17 : 11 

56). The number of appeared candidates increased by 40% from 2006 to 2011. If 25% of the appeared candidates qualified in 2011, what was the number of qualified candidates in 2011?
A). 240 
B). 225 
C). 255 
D). 245 
E). 230 

57). In 2007, the respective ratio of number of appeared candidates to qualified candidates was 5 : 4. Number of female qualified candidates constitutes what percent of number of appeared candidates in the same year?
A). 20% 
B). 25% 
C). 30% 
D). 15% 
E). 40% 

58). In 2009. if the difference between number of male qualified candidates and female qualified candidates was 72, what was the number of appeared candidates in 2009?
A). 800 
B). 900 
C). 850 
D). 600 
E). 950 

59). If the average number of qualified candidates in 2006 and 2008 was 249, what percent of appeared candidates qualified in the competitive exam in 2006?
A). 40 
B). 30 
C). 20 
D). 35 
E). 25 

60). To reach point B from point A, at 4 pm, Sara will have to travel at an average speed of 1 8 km/h. She will reach point B at 3 pm, if she travels at an average speed of 24 km/h. At what average speed should Sara travel to reach Point B at 2 pm?
A). 36 km/h 
B). 28 km/h 
C). 25 km/h 
D). 30 km/h 
E). 32 km/h 
