Directions (1-5): What will come in place of (?) question mark in the following questions?
Q7. Mixture – A & B contains petrol and kerosene in the ratio of 5 : 4 and 2 : 1 respectively. 20% mixture – A & 50% mixture – B is mixed to form another mixture – C. If quantity of petrol in mixture – C is 90 liters and ratio of petrol to kerosene in mixture – C is 30 : 19, then find initial quantity of mixture – A.
(a) 100 liters
(b) 160 liters
(c) 150 liters
(d) 200 liters
(e) 360 liters
Q8. If volume of cylindrical vessel is 3696 cm3 and ratio of height and radius of cylindrical vessel is 3 : 7, then find total surface area of cylindrical vessel.
(a) 1590 cm2
(b) 1270 cm2
(c) 1450 cm2
(d) 1760 cm2
(e) None of the above.
Q9. A salesman marks a bat and a ball 25% and 40% above their cost price respectively and salesman allowed discount of 15% on each bat & ball. If cost price of a bat is 260% more than that of a ball and profit earned on selling a ball is Rs.38, then find difference in selling price of a bat & a ball.
Q10. A, B & C invested in a partnership business in the ratio of 4 : 10 : 7. After 4 months A increased its investment by 50% and after 8 months C increased its investment by Rs.1500. If at the end of the year profit sharing ratio of A, B & C is 8 : 15 : 11, then find total amount invested by A & B together initially is how much more than amount invested by C initially?
Directions (11-15): Study the given data carefully and answer the following questions.
Data given below is about the number of employees (Blue collar + White Collar) in 4 different companies (A, B, C and D) in year 2017. Total employees in all four companies are 1600.
Total employees in company A are 350 and white Collar employees in A are 225. Number of white Collar and blue collar employees is equal in company B. Ratio of blue collar employees in company A, C and D is 5:8:6. Number of white collar employees in C and D are equal. Ratio of total employees in C to D is 10:9.
Q11. White collar employees in company D is what percent more or less than blue collar employees of company A?
Q12. What is the average of white collar employees from company A, C and D?
Q14. If ratio between male to female blue collar employees in company B and C is 3 : 2 and 5 : 3 respectively then blue collar female employee in company C are what percent of blue collar female employees of company B.
Q15. If each Blue and white collar employees of company D earns Rs 12000 & 18000 Rs respectively then what is the total amount earned by employees of company D?
(a) 7.22 cr
(b) .072 cr
(c) 7.2 cr
(d) .72 cr
(e) 72 cr