**Directions (1-5): In each question two equations numbered (I) and (II) are given. Student should solve both the equations and mark appropriate answer.**

**Q7.The ratio of average of two series of five numbers each is 2:3. All five terms of the former series are consecutive multiples of 4 while all five terms of the latter series are consecutive multiples of 6. If sum of their first term is 20, then find the difference between greatest term of series divisible by 6 and second greatest term of series divisible by 4?**

(a) 16

(b) 12

(c) 10

(d) 14

(e) 8

**Q8.A sum of Rs ‘x’ becomes Rs (x + 528) in two year at the rate of 20% p.a compounded annually. if Veer invested Rs 2.5x at 15% p.a. on SI for three years and Ayush invest Rs 1.5x at 10% on CI for two years, then find the ratio of interest got by Ayush to that of Veer?**

(a) 4 : 25

(b) 6 : 25

(c) 8 : 25

(d) 7 : 25

(e) None of these

**Q9. Average of present ages of A, B and C is 35 years. 3 years hence, C is twice as old as A, while 3 years ago sum of ages of B and C is twice of present age of B. Then, find the ratio of present age of A, B and C.**

(a) 7 : 13 : 15

(b) 11 : 14 : 16

(c) 3 : 6 : 8

(d) 9 : 13 : 15

(e) 2 : 3 : 6

**Q10. Deepak bought two different articles- A and B, total cost price of both articles is Rs. 6500. He had incurred an overall loss of Rs.25 by selling article A at a profit of 25% and article B at a loss of 30%. Then, find the cost price of article A?**

(a) Rs.3500

(b) Rs.4300

(c) Rs.3600

(d) Rs.3100

(e) None of the above.

**Directions (11-15): Following bar graph shows the number of five leading books sold by ‘adda247’ in 2015, 2016 and 2017. Table given below has some data missing and gives information about the manufacturing cost of each book in 2015, 2016 and 2017. Read the table and bar graph carefully and give answer of following question.**

**Note:-** The no. of books sold is equal to the no. of books manufactured.

**Q12.Ratio of manufacturing cost of SSC CPO per book in 2015 to that of SYLLOGISM books in 2016 is 8:7 and ratio of manufacturing cost of SSC CPO per book in 2017 to that of SYLLOGISM books in 2016 is 9:7. If total manufacturing cost SSC CPO books in 2017 is Rs 2025 then find manufacturing cost per book of SYLLOGISM in 2016?**

(a) Rs 105

(b) Rs 135

(c) Rs 120

(d) Rs 90

**Q13.If average manufacturing cost of all CRACKER books in 2017 and FILLERS books in 2016 is 143.75 Rs. and cost of manufacturing per book of fillers in 2016 is 75% less than that of CRACKER in 2017. Find Cost of manufacturing of FILLERS per book in 2016.**

(a) Rs 75

(b) Rs 50

(c) Rs 105

(d) Rs 175

(e) None of these

**Q14.Find average manufacturing cost of total books of FILLERS, ARITHMATIC and SYLLOGISM in 2015. (rounded off to two decimal places)**

(a) Rs 142.14

(b) Rs 144.12

(c) Rs 145.54

(d) Rs 120.01

(e) Rs 125.05

**Q15.If total manufacturing cost of ARITHMATIC books in 2017 is considered as cost price. ‘Adda247’ gives discount of 16 (2/3)% on M.R.P and earn a profit of 11 (1/9)%. Find manufacturing cost per ARITHMATIC book in 2017 if total M.R.P of all books of ARITHMATIC in 2017 is Rs 12,000.**

(a) Rs 215

(b) Rs 205

(c) Rs 200

(d) Rs 250

(e) Data is insufficient.

**Solutions**