Q2. In a family there were n people. The expenditure of rice per month in this family is directly proportional to the 5 times the square of number of people in the family. If the elder son left the family to study in USA there was decrease in consumption of 95 kg rice per month. What is the value of n?
Q3. Akbar and Birbal who purchased the shares for the cost of their basic salaries which are in the ratio of 5 : 6 later on company gave them 40 additional shares to each, due to which the ratio changed to 7 : 8. If the worth of each share is Rs. 75, what is the basic salary of the person who got less shares?
Q4. Dia and Urea are two Chemical fertilizers. Dia is consists of N, P and K and Urea consists of only N and P. A mixture of Dia and Urea is prepared in which the ratio of N, P and K is 26% 68% and 6% respectively. The ratio of N, P and K in Dia is 20%, 70% and 10% respectively. What is the ratio of N and P in the Urea?
(a) 27% and 63%
(b) 33% and 67%
(c) 35% and 65%
(d) 70% and 30%
Q5. The raw material and manufacturing cost formed individually 70% and 30% of the total cost and the profit percentage is 14.28% of theraw material. If the cost of raw material increases by 20% and the cost of manufacturing is increased by 40% and the selling price is increased by 80%, then the new profit percentage is:
(d) Can’t determined
Q6. A, B, C and D purchased a cine-multiplex for Rs. 56 lakhs. The contribution of B, C and D together is 460% that of A, alone. The contribution of A, C and D together is 366.66% that of B’s contribution and the contribution of C is 40% that of A, B and D together. The amount contributed by D is:
(a) 10 lakh
(b) 12 lakh
(c) 16 lakh
(d) 18 lakh
Q7. A company made a cuboidal box of size 16 × 12 × 5 to sell the ice cream, but later on it was found that the capacity of the box was 14.28% less than the required capacity while the height of the box was correct, which is 5 inches. As per the requirement he had to increase the length and breadth of the box in equal amount then the percentage increase in the area of the base of the box is:
(d) None of these
Q8. Cost price of two motorcycles is same. One is sold at a profit of 15% and the other for Rs. 4800 more than the first. If the net profit is 20%. Find the cost price of each motorcycle.
(a) Rs. 48000
(b) Rs. 52000
(c) Rs. 36000
(d) Rs. 42500
Q9. We had 1000 goats at the beginning of year 2001 and the number of goats each year increases by 10% by giving birth (compounded annually). At the end of each year we double the number of goats by purchasing the same number of goats as there is the number of goats with us at the time. What is the number of goats at the beginning of 2004?
Q10. Working together B and C take 50% more number of days than A, B and C together take and A and B working together, take 8/3 more number of days than A, B and C take together. If A, B and C all have worked together till the completion of the work and B has received Rs. 120 out of the total earning of Rs. 450, then in how many days did A, B and C together complete the whole work?