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According to question, => X × 50 = (X + 51) × 20 => 50X = 20X + 1020 => 30X = 1020 => X = 34
In what ratio mixtures of 22% concentration of alcohol and 35% concentration of alcohol are to be added so that the resultant mixture will have 30% conc...
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.
17, 21, 48, 64, 170
A solution contains 30L of pure milk. 10% of his this is taken out. Another 15% of the remaining solution is taken out and finally 20% of the contents l...
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: ...
At what time was the temperature the lowest?
A principal of ₹6000 is invested at a rate of 10% per annum. What is the difference between the simple interest and compound interest earned after 2 y...
In what ratio coffee at 325 Rs/kg should be mixed with the coffee at 375 Rs/kg so that after mixture its rate become 340 Rs/kg if the quantity of 1st ty...
A vessel contains some milk .7 liter of the milk was taken out of the vessel and replaced with 7 liter of water and again 7 liter of mixture was taken o...
The perimeter of a square field is 10 cm more than the perimeter of a rectangle. The length of the rectangle is 60 cm which is 80% of its width. If a st...
