Mathematics
If a sum of ₹ x is divided between A and B in the ratio a/b:c/d, then A gets: 1. ₹(abx/ac+bd) 2. ₹(abx/ad+bc) 3. ₹(abx/ad+bc) 4. ₹(adx/ab+cd)
Related Questions
In an alloy, the ratio of copper and zinc is 5 : 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio of copper and zinc in the alloy will be :
1 : 2
2 : 1
2 : 3
3 : 2
The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1?
90
120
220
240
Two numbers are in the ratio 7 : 11. If 7 is added to each of the numbers, the ratio becomes 2 : 3. The smaller number is:
39
49
66
77