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A, B and C started a business with 45000. If their profits are 2400,4000 and 5600. Find the investment of A.? 
A) 9000
B) 15000
C) 21000
D) 8000
Correct Answer : 9000 Explanation : The ratio of the profit of three persons= 2400 : 4000 : 56000 = 3 : 5 : 7 
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Raju started a business by investing Rs.36000. After 4 months Kalu joined him with some investment. At the end of the year, the total profit was divided between them in the ratio of 9:7. Find the capital that was invested by Kalu ? 
A) 42000
B) 36000
C) 56000
D) 58000
Correct Answer : 42000 Explanation : Let Kalu invested X Amount for 8 months 
A, B and C are partners in a business. A puts in Rs. 350, B Rs. 450 and C Rs. 550. What is the 
A) Rs. 138
B) Rs. 285
C) Rs. 340
D) Rs. 165
Correct Answer : Rs. 165 Explanation : A, B and C's investment 350 , 450 and 550 C's Profit = 405* 11 / 27 => 165 
Three partners invest Rs. 2000, Rs. 2500 and Rs. 1000 in a business. How much will the last partner get out of a profit of Rs. 880 ? 
A) Rs.320
B) Rs.350
C) Rs.400
D) Rs. 160
Correct Answer : Rs. 160 Explanation : Let the Partners are A, B and C. C's / last partner share = 880* 2 / 11 
Rs. 1900 is divide between A, B and C so that A's share is 1*(1/2) times B's and B's is 1*(1/2) times C’s. What C’s share? 
A) Rs.800
B) Rs.420
C) Rs.400
D) Rs.900
Correct Answer : Rs.400 Explanation : Let C = x, 
A and B can do a work in 45 and 40 days respectively. They began the work together, but A left after some time and B finishes the remaining work in 23 days. After how many days did A leave? 
A) 8 days
B) 7 days
C) 6 days
D) 9 days
Correct Answer : 9 days Explanation : (A+B)’s 1 day’s work = 1/45+1/40=17/360. Work done by B in 23 days = (23 x 1)/40=23/40. Now,17/360 work was done by (A+B) in 1 day. Hence, A left after 9 days. 
Three partners A, B and C invest Rs 26000, Rs 34000 and Rs 10000 respectively in a business. Out of a profit of Rs 3500. B's share is ? 
A) Rs. 1300
B) Rs. 1700
C) Rs. 500
D) Rs. 1500
Correct Answer : Rs. 1700 Explanation : If the partners A and B invest Rs. x and Rs. y respectively for a year in a business, then at the end of the year:( A's share of profit) : (B's share of profit) = x : y


A invests Rs. 30000 for one year in a shop. How much his partner B should invest in order that the profit after one year must be in the ratio 2 : 3 ? 
A) Rs. 20000 B) Rs. 40000 C) Rs. 45000 D) Rs. 18000 Correct Answer : Rs. 45000 Explanation : If the partners A and B invest Rs. x and Rs. y respectively for a year in a business, then at the end of the year:( A's share of profit) : (B's share of profit) = x : y 30000/X = 2/3 
A and B start a business by investing 8000 and 72000, respectively. Find the ratio of their profits at the end of year? 
A) 2 : 9
B) 5 : 9
C) 7 : 9
D) 1 : 9
Correct Answer : 1 : 9 Explanation : if the partners A and B invest Rs. x and Rs. y respectively for a year in a business, then at the end of the year:( A's share of profit) : (B's share of profit) = x : y Hence ( A's share of profit) : (B's share of profit) = 8000 : 72000 
A starts a business with 300000 and B join him after 3 months with 1200000. Find the ratio of their profits at the end of the year . 
A) 2 : 5 B) 3 : 5 C) 5 : 1 D) 1 : 3 Correct Answer : 1 : 3 Explanation : if the partners A and B invest Rs. x and Rs. y respectively for a year in a business, then at the end of the year:( A's share of profit) : (B's share of profit) = x : y A's share : B's share = (300000 x 12) : (1200000 x 9) 

A, B and C together start a business in partnership. The ratio of their capitals is 3 : 4 : 7. If their annual profit be 21000, what will be C's share in this profit ? 
A) 12500 B) 10500 C) 15000 D) 10000 Correct Answer : 10500 Explanation : if the partners A and B invest Rs. x and Rs. y respectively for a year in a business, then at the end of the year:( A's share of profit) : (B's share of profit) = x : y Ratio of profits of A, B and C = 3 : 4 : 7 
A, B and C start a business with 2000. A's share is half the sum of the shares of B and C. The share 
A) 3200
B) 4800
C) 4000
D) 3000
Correct Answer : 3200 Explanation : A + B + C = 12000 ...(i) By substituting the value of B + C = 2A in Eq. (i), then Also, B =2/3 (A +C) 
A started a business with an investment of 84000. After x months B joins A with a capital of 42000. If the ratio of profit at the end of the year is 3 : 1, then x is? 
A) 6 months
B) 2 months
C) 4 months
D) 3 months
Correct Answer : 4 months Explanation : Ratio of profits of A and B = (84000 * 12) : 42000 * (12 x) 
Five people are planning to share equally the cost of a rental apartment.If one person withdraws from the agreement and others share equally the entire rental of the apartment, then the share of each of the remaining persons is increased by? 
A) 4%
B) 5%
C) 6%
D) 7%
Correct Answer : 5% Explanation : 5 persons share equally,so share of one person = 1/5 Required % = (1/20)*100 = 5% 
A, B and C started a business with their investment in the ratio 1 : 3 : 5. After 4 months, A invested the same amount as before and B as well as C withdrew half of their investments. The ratio of their profits at the end of the year is? 
A) 1 : 2 : 3 B) 3 : 4 : 15 C) 3 : 5 : 10 D) 5 : 6 : 10 Correct Answer : 5 : 6 : 10 Explanation : Let, money invested by A, B and C are respectively x, 3x and 5x for the4 months. After 4 months invested by A, B and C are respectively 2x, 3x/2 and 5x/2 for next 8 months. 