Night Class: Quantitative Aptitude for Syndicate Bank PO 2017

Q7. The ratio of the number of boys to that of girls in a school is 4 : 1. If 75% of boys and 70% of the girls are scholarship holders, then the percentage of students who do not get scholarship is : 
(a) 50%
(b) 28%
(c) 75%
(d) 26%
(e) 36%

Q8. The strength of a school increases and decreases in every alternate year by 10%. It started in 2000 and  increases in 2001, then the strength of the school in 2003 as compared to that in 2000 was: 
(a) increased by 8.9%
(b) decreased by 8.9%
(c) increased by 9.8%
(d) decreased by 9.8%
(e) increase by 7.8%

Q9. A spider climbed 62 1/2% of the height of the pole in one hour and in the next hour it covered 12 1/2% of the remaining height. If pole’s height is 192 m, then the distance climed in second hour is 
(a) 3 m
(b) 5 m
(c) 7 m
(d) 9 m
(e) 12 m

Q10. The red blood cells in a blood sample grows by 10% per hour in first two hours, decreases by 10% in next one hour, remains constant in next one hour and again increases by 5% per hour in next two hours. If the original count of the red blood cells in the sample is 40000, find the approximate red blood cell count at the end of 6 hours. 
(a) 40000
(b) 45025
(c) 48025
(d) 50025
(e) 52025

Direction for questions 11 to 14 : Read the passage below and solve the questions based on it. 
India is supposed to send its boxing team for Olympics in each of the following 10 weight group divisions. 
A (48 kg – 52 kg) B (52 kg – 56 kg) 
C (56 kg – 60 kg) D (60 kg – 64 kg)
E (64 kg – 68 kg) F (68 kg – 72 kg)
G (72 kg – 76 kg) H (76 kg – 80 kg) 
I (80 kg – 84 kg) J (84 kg – 88 kg) 
After selecting one player from each group, their average weight comes out to be 68 kg. If one of the players named X leaves the team, their average weight comes down to 66.5 kg. 

Q11. Player X is from group 
(a) A
(b) E
(c) I
(d) H
(e) J

Q12. If X leaves the team, and two new players join the group, then their average weight increases to 68 kg. These players can be from group …………
(a) A, C
(b) D, J
(c) Both from G
(d) Either (b) or (c)
(e) Both from I

Q13. What is the average weight (in kg) of all the players taken together? 
(a) 56.7
(b) 58.8
(c) 61.4
(d) Cannot be determined
(e) 67.5

Q14. In the average of all the group together, which group contributes most in overall average? 
(a) F
(b) G
(c) H
(d) Cannot be determined
(e) J

Q15. The average of 5 positive number is A. The average of the average of all the possible distinct triplets of these 5 numbers is B. Which of the following is true? 
(a) A > B
(b) A < B
(c) A = B
(d) Cannot be determined
(e) None of these

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