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Start learning 50% faster. Sign in nowLet the efficiency of each man be '2x' units/day So, total work = 2x X 12 X 15 = '360x' units And efficiency of a child = 2x ÷ 2 = 'x' units/day So, required time = (360x X 0.6) ÷ (8 X x) = 27 days Hence, option a.
The contributions made by A and B are in the ratio of 6:5. If 12% of total profit is donated and A gets 1320 as his share of profit, what is the total p...
P and Q together started a business with initial investment in the ratio of 1:6, respectively. The time-period of investment for P and Q is in the ratio...
X, Y, and Z join a partnership and invest some amount. After one year, X doubles its investment, Y increases its investment by 33(1/3)%, and Z increases...
A invested Rs X in a scheme. After 6 months, B joined with Rs 3000 more than that of A. After an year, ratio of profit of B to the total profit was 5: 9...
A & B invested Rs. X and Rs. (X + 900) for same period of time in a business. If A gets Rs. 3200 as profit share out of total profit of Rs. 8...
A and B started a retail store with initial investments in the ratio 5:6 and their annual profits were in the ratio 2:3. If A invested the money for 4 m...
A & B invested Rs. 2X and Rs. (X + 500) for same period of time in a business. If A gets Rs. 4000 as profit share out of total profit of Rs. 7000, then ...
A and B initiated a partnership by investing Rs. 1830 and Rs. 1470, respectively. After one year, they earned a profit of Rs. 9460. Calculate the differ...
Shri and Rishi together start a business by investing Rs. 48,000. The investment of Shri is 40% more than that of Rishi. After 18 months from start, Shr...
'A' and 'B' invested Rs. 4200 and Rs. 3600 respectively in a business. After 6 months, 'B' reduced his investment by 50%, while 'A' increased his initi...
