Question
A solution contains vinegar and water in the ratio 7:3.
If 50 liters of this solution are mixed with 5 liters of vinegar, what will be the new ratio of vinegar to water in the mixture?Solution
Vinegar in solution = 7/10 of 50 = 35 liters Water in solution = 3/10 of 50 = 15 liters New ratio of vinegar to water = (35+5): 15 = 40: 15 = 8: 3
- What will come in place of the question mark (?) in the following series?
5, 15, 35, 75, 155, ? 21, 37, 73, 137, ?, 381
What value should come in the place of (?) in the following number series?
14, 43, 132, 401, 1210, ?, 10928
- What will come in place of the question mark (?) in the following series?
10, 17, 26, 37, 50, ? What will come in place of the question mark (?) in the following series?
1528, 1416, 1204, ?, 480, -32
What will come in place of the question mark (?) in the following series?
562, 56...
4, 4, 12, 60, ?, 3780
1, 7, 25, 61, ?
580 557 528 497 ? 419
What will come in place of the question mark (?) in the following series?
2, 5, 14, 41, 122, 365, ?