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Start learning 50% faster. Sign in nowATQ, Let the speed of the stream be 10x km/hr. So, speed of the boat in still water = 1.5×10x=15x km/hr ATQ, 
Speed of stream = 10x = 10.8 km/hr Now, Reduced speed of boat in still water = 15x × 0.8 = 12 km/hr Therefore, required distance = (12−10.8)×5 = 6 km
Alloy A contains copper and zinc in the ratio 4:5 and alloy B contains copper and zinc in the ratio 7:2. A and B are taken in the ratio 7:4 and melted t...
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The total strength of school A is 20% more than that of school B. In school A and B, out of total number of students, 20% and 40% respectively are girls...
The incomes of Ajay and Pawan are in the ratio of 5:3. Ajay allocates 20% of his income to food, spends 25% of the remaining amount on education, and sa...
A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from school X. appeared in ...
If 40% of 'p' is equal to 'q', then what percentage of 40 is equal to 'p'?
