Question
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 type is 28 kg what will be the quantity of the 2nd coffee?Solution
Ratio = 20:15 = 4:3 1st type coffee is 28 kg. So, 4 means 28 kg. Therefore, 2nd type coffee = 28 x (3/4) = 21 kg
Find the wrong number in the given number series.
740, 725, 680, 605, 595
Find the wrong number in the given number series.
11, 12, 67, 28, 219, 53
Find the wrong number in the given number series.
29, 60, 123, 250, 515, 1016
- In the given number series, find the wrong number.
120, 60, 30, 15, 7.5, 3.25, 1.875 232, 269, 300, 331, 352, 371
131, 212, 261, 286, 295, 299
Find the wrong number in the given number series.
78, 66, 51, 39, 20, 12
Find the wrong number in the given number series.
1000, 500, 250, 120, 62.5164, 304, 433, 551, 658, 752
72, 80, 89, 153, 180, 394