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Let the efficiency of 'A' be 'x' units/day So, efficiency of 'B' = '0.8x' units/day Total work = x X 15 = '15x' units Work done by 'A' in 4 days = 4 X x = '4x' units So, remaining work = 15x - 4x = '11x' units So, time taken by 'B' to finish the remaining work = (11x ÷ 0.8x) = 13(3/4) days
A sum of ₹4,360 was to be divided among A, B, C, and D in the ratio 3:4:5:8, but it was divided in the ratio 1/3:1/4:1/5:1/8. Was divided by mistake: ...
12, 13, 22, 47, 96, ?
On reducing the marked price of his goods by ₹28, a shopkeeper gains 20%. If the cost price of the article be ₹560 and it is sold at the marked pric...
A luxury watch is originally priced at ₹15,000. During a seasonal sale, the watch is offered at a discount of 30%. After the discount, an additional 1...
In what ratio coffee at 285 Rs/kg should be mixed with the coffee at 320 Rs/kg so that after mixture its rate become 300 Rs/kg if the quantity of 1st ty...
Simplify the following expression:
A sum of ₹ 31 was divided among 50 students. If each boy got 70 paisa and each girl got 45 paisa. Find the number of boys.
A shopkeeper mixes two types of rice costing Rs 60 per kg and Rs 80 per kg in a ratio. He sells the mixture at Rs 85 per kg and gains a profit of 25%. I...
Cost of two types of pulses is Rs.16 and Rs, 21 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
