Q1. An amount of Rs. 20000 when invested at R% simple interest for 2 years becomes Rs. 24000. What will it become in 3 years if invested at (R+2)%? (in Rs.)
Q2. A sum of Rs. x was invested at 10% simple interest for 3 years. If the same sum was invested at 4% more for same period, then it would have fetched Rs. 120 more. Find the value of 5x. (in Rs.)
Q3. A sum of Rs. P was invested at 10% for 2 years at simple interest. If the same sum was invested at 20% for ‘x’ years, it would have fetched Rs. 200 more. Find ‘x’ if Px = 5000. (value of x is given in months)
(d) Cannot be determined
(e) None of these
Q4. A man invests a sum of 3600 in two part one at rate of 5% and other at rate of 7% and get total interest 204 as SI at the end of year. Find what part was invested at 7% rate.
Q5. A man invests 2500 Rs at 20% Compounded annually. Find the difference between interest earned in second year and third year.
Q6. A, B and C invested Rs.5000, Rs.10000 and Rs.20000 in a partnership business respectively. After ‘x’ months A doubled his investment and after ‘y’ months B increased his investment by 50%. If at the end of the year they distributed the profit earned in the ratio 10 : 15 : 24, then find (x+y).
Q7. A, B & C entered into a partnership business with capital in the ratio 5 : 8 : 12. After 8 months C withdraws his capital while after 10 months B increased his investment by 25%. If at the end of the year difference between profit share of A and B is Rs.17000, then find profit share of C at the end of the year.
Q8. A mixture of milk and water is in ratio 5 : 3. If 40 liters of mixture is taken out and 4 liters of pure water is added to the mixture, then percentage of water in the mixture becomes 40%. Find the initial quantity of mixture.
(a) 148 liters
(b) 144 liters
(c) 150 liters
(d) 136 liters
(e) 140 liters
Q9. A tank contains 384 liters mixture of milk & water in the ratio of 15 : 17. If X liters of mixture taken out and (X – 14) liters of milk & (X – 34) liters of water added in remaining mixture so ratio of milk & water becomes equal. Find quantity of milk in original mixture is what percent of total final mixture?
Q10. Anurag & Ravi entered into a business with capital of Rs. 2000 & Rs. 1600 respectively. At the end of 8th month Anurag added Rs. 400 more and he left the business after 10 months, after one year’s Ravi invested his profit in a scheme, which offers CI at 20% p.a. If after two years Ravi gets total amount of Rs. 6912, then find total profit of Anurag?
(a) 5200 Rs.
(b) 2550 Rs.
(c) 10200 Rs.
(d) 7650 Rs.
(e) 2700 Rs.
Q11. Ratio of investment of A to that of B is 13:25 and after 4 months, A increases his investment by 2/13 th of the initial amount, B withdraws 50% of the amount and C makes an investment. At the end of the year profit share of C is twice of the difference between profit share of A and B. Find initial investment of C is what percent of that of B?
Q12.Veer and Anurag invested Rs. 1200 & Rs. 1600 respectively and after 15 months Veer withdrew 2/23 th of total profit, while Anurag added 4/23 th of total profit. If at the end of two years share of profit ratio of Veer & Anurag is 9 : 14, then find the difference between profit share of Veer & Anurag?
(a) Rs. 400
(b) Rs. 450
(c) Rs. 500
(d) Rs. 550
(e) Rs. 600
Q13. In a juice, guava is 85% and rest is sugar. In another juice, pomegranate is 90% while rest is sugar. Both the juices are mixed in the ratio of 3 : 2. Find concentration of sugar in final mixture. (in %)
Q14. Two varieties of wheat is mixed in the ratio of 2:3 by weight. The price of the mixture is Rs.12/kg and the price of the variety having lower weight is Rs 10/kg. Find the price per kg of the other variety.(in Rs)
Q15. A container is full of milk, 1/4 th of the milk is taken out and is replaced with water, and this process is repeated 3 times and 297ℓ of milk is finally left in the container. find the capacity of container? (in ℓ)
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