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(10) A started a business with an initial investment of Rs 3600. B and C joined him after 4 months and 6 months respectively investing Rs 1800 and Rs 2700 respectively. If the total profit at the end of year is Rs
28700, then find the total profit share of B and C together.
(a) Rs 11900
(b) Rs 16800
(c) Rs 17400
(d) Rs 11300
(e) None of these
(9) Rs 7000 is invested at 30% simple interest for 5 years. One-fifth of the interest received is again invested at 14.28% per annum compound interest, compounded annually. Find the interest received from the second investment after 2 years.
(a) Rs 542.57
(b) Rs 642.85
(c) Rs 663.50
(d) Rs 751.57
(e) None of these
(8) Gajendra sold an article after giving a discount of 25% and earned a profit of Rs 900. If he had sold it for Rs 600 less then he would have
earned a profit of 11.11%. Find the cost price of the article.
(a) Rs 4800
(b) Rs 3600
(c) Rs 2700
(d) Rs 2500
(e) None of these
(7) A boat can cover 272 km downstream in 16 hours. If the speed of the current is 5 km/hour, then find the time taken by the boat to cover 623 km in upstream.
(a) 90 km/hour
(b) 81 km/hour
(c) 85 km/hour
(d) 89 km/hour
(e) None of these
(6) Pipes I and Pipe II can fill a tank in 12 hours and 10 hours respectively while Pipe III takes 20 hours to empty it. All the pipes are
opened together when the tank was empty. After 3 hours, Pipe I is closed. Find the total time to fill the tank.
(a) 15 hours
(b) 12 hours
(c) 10 hours
(d) 20 hours
(e) None of these
(5) Ratio of the efficiency of Raman and Gopal is 3 : 5. If Gopal can do a
piece of work in 8 days, then find the time taken by Raman and Gopal
together to complete the whole work.
(a) 7
(b) 6
(4) Manish invests Rs P and Rs (P + 800) in bank A and bank B respectively. Bank A offers simple interest of 20% while bank B offers
10% compound interest compounded annually. If total interest received from both schemes after 2 years is Rs 1388. Find the value of (P β 800).
(a) 2800
(b) 2000
(c) 1200
(d) 1000
(e) None of these
(3) Five years hence from now, ratio of ages of my brother and I will be 3 : 2 respectively. My age after 10 years from now will be 100% more than that of my present age. Find the present age of my brother
(a) 10 years
(b) 15 years
(c) 5 years
(d) 8 years
(e) None of these
(2) A and B started a business together by investing Rs 8000 and Rs 9600 respectively. After 8 months, A increased his investment by 25% and B decreased his investment by 25%. Find the ratio of annual profit share of A and B respectively.
(a) 65 : 66
(b) 65 : 71
(c) 71 : 66
(d) 69 : 79
(e) None of these
(1) Ratio of quantity of milk and water in 299 litres of a mixture (milk + water) is 9 : 4 respectively. If 28 litres of water and 13 litres of milk is added into the mixture, then ratio of quantity of milk to that of water in the resultant mixture will be:
(a) 6 : 7
(b) 11 : 6
(c) 12 : 7
(d) 11 : 9
(e) None of these
7241 - 6872 + 8913- 884 = x β 140
A. 8538
B. 8358
C. 8758
D. 8438
E. none of these
ππ. ππ%ππππππ + ππ β ππ + ππ. ππ%πππππ = πππ + π
A. 120
B. 150
C. 15
D. 10
E. none of these
? ππ(ππ. ππ%πππππ + ππ%ππππππ) = ππππ
A. 399/293
B. 499/ 193
C. 299/293
28*32 + 13% of 7500 = x + 1149
A. 622
B. 722
C. 822
D. 922
E. none of these
(πππ Γ· π. π) + πππ Γ· π. ππ = πΒ² + (ππ. π β π)
A. 63
B. 53
C. 43
D. 73
E. none of these
ππ. π%πππππ + ππ. ππ%πππππ = ππ β ππ
A. 800
B. 400
C. 200
D. 100
E. none of these
πππ + ππ2Β² Γ· π + ππΒ³ = π β ππΒ²
A. 200
B. 2000
C. 800
D. 8000
E. none of these
