Directions (1-5): Read the following information carefully to answer the questions given below.
In a college, 150 students of MBA are enrolled. The ratio of boys to girls is 7 : 8. There are three disciplines, namely Marketing, HR and Finance in the college. In Marketing discipline there are 50% girls of their total number and the boys are 40% of their total number.
In HR discipline, girls are 30% of their total number while boys are 30% of their total number. Finance discipline has girls 20% of their total number and the boys are 30% of their total number. 7 boys and 9 girls are in HR and Marketing both. 6 boys and 7 girls are in HR and Finance both, 5 boys are 8 girls are in Marketing and Finance both. 2 boys are 3 girls are enrolled in all three disciplines.
Q1. What percentage of students are enrolled in all three disciplines?
(e) None of these
Q2. What is the ratio of boys to girls only in Marketing discipline?
(a) 13 : 9
(b) 9 : 13
(c) 9 : 11
(d) 11 : 9
(e) None of these
Q3. The ratio of the number of boys in Marketing and Finance both to that of girls only in Finance is
(a) 5 : 3
(b) 3 : 5
(c) 5 : 4
(d) 4 : 7
(e) None of these
Q4. By what per cent in the number of boys in Marketing discipline more than the number of girls in HR discipline?
(a) 10 : 11
(b) 9 : 10
(c) 7 : 5
(d) 5 : 7
(e) None of these
Directions (6-10): Study the following graph carefully to answer the given questions.
Total investment (in Rs. thousand) of Gautam and Rudra in 6 schemes (M, N, O, P, Q and R)
Percentage of Gautam’s investment out of total investment
Q6. Scheme of M offers simple interest at a certain rate of interest (p.c.p.a). If the difference between the interest earned by Gautam and Rudra from scheme M after 4 yr is Rs. 4436.520, what is the rate of interest (p.c.p.a)?
Q7. What is the ratio of the total amount invested by Gautam in schemes O and Q together to the total amount invested by Rudra in the same schemes together?
(a) 31 : 44
(b) 31 : 42
(c) 27 : 44
(d) 35 : 48
(e) 29 : 38
Q8. If scheme P offers compound interest (compounded half-yearly) @ 16 p.c.p.a. What would be sum of interest earned by Gautam and Rudra from scheme P after 1 yr?
(a) Rs. 10244
(b) Rs. 10464
(c) Rs. 9872
(d) Rs. 9984
(e) Rs. 9442
Q9. The scheme O offers compound interest (compounded annually) @ 12 p.c.p.a. What is the difference between the interests earned by Gautam and Rudra from scheme O after 2 yr?
(a) Rs. 1628.16
(b) Rs. 1584.38
(c) Rs. 1672.74
(d) Rs. 1536.58
(e) Rs. 1722.96
Q10. What is the average amount invested by Gautam in schemes M, N, O, P and Q together?
(a) Rs. 29248
(b) Rs. 30562
(c) Rs. 31126
(d) Rs. 29688
(e) Rs. 28848
Directions (11-15): In these question, a number series is given. In each series only one number is wrong. Find out the wrong number?
Q11. 454 327 648 521 842 713 1036
Q12. 5531 5506 5425 5304 5135 4910 4621
(e) 5506
Q13. 1 3 10 36 152 760 4632
Q14. 4 3 9 34 96 219 435
Q15. 157.5 45 15 6 3 2 1
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