Q2. An amount is invested at Simple Interest for 2 years and after two years whole amount (Initial amount+Interest ) is invested at Compound Interest for 2 more years. If rate of interest is 10% for both simple and compound interest and total interest earned after 4 years is 1130Rs. then, find the initial amount invested?
Q3. If a boat takes double time to cover a distance in upstream as compare to time taken by it to cover same distance in downstream, then speed of stream is what percent of the speed of boat in still water?
(d) Cannot be determined.
Q4. Two jar A and B contain a mixture of two liquids, X and Y in the ratio of 2 : 3 and 4 : 5 respectively. If mixture from jar A and B are mixed in the ratio of 1 : 2 then, find the ratio of X and Y in final mixture.
Q5. Ramesh and Suresh enter into a partnership with ‘X’ Rs. and ‘X + 2000’ Rs. Suresh withdraw its investment after 8 months. If after one year their profit is equal then, find the value of ‘X’.
Directions (6-10): What will come in place of question mark(?) in the following simplification questions.