Question
Three Partners Chandra, Shekhar and Azad invested in the
ratio of 3/2, 2/3, 4/3 in a business. After 3 months Chandra decreased his capital by 50%. If the total profit of Rs. 12690 earned at the end of the year, find what was the Chandra’s Share of profit?Solution
Multiply Ratios by (2,3,3 LCM) i.e., 6x 
Total Capital of Chandra in 1 year = 9x × 3 + 4.5x × 9 = 27x+40.5x = 67.5x Total Capital of Shekhar in 1 year = 4x × 12 = 48x Total Capital of Azad in 1 year = 8x × 12 = 96x 
According to the question  67.5 + 48x + 96x = 12690 211.5x = 12690 x = 12690/211.5 = 60 Hence, Share of Chandra = 67.5 × 60 = 4050
What will come in place of the question mark (?) in the following number series?
180, 184, 168, 204, ?, 240
81 72 136 111 ? 278
...What will come in place of the question mark (?) in the following series?
111, 109, 115, ?, 211, -509
1221,     1100,     1000,     919,       ?
...Complete the series choosing the missing number.
110, 99, 86, ___, 54, 35.
6    11    32    111    ?   2345   14100
...What value should come in the place of (?) in the following number series?
178, ?, 692, 861, 982, 1063What will come in place of (?) question mark in the given number series.
16, 24, 51, 115, 240, ?
116, 118, 124, 136, 156, ?
1 12 31 58 93 ?
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