Question
A, B and C enter into partnership by making investments
in the ratio 3: 5: 7. After a year, C invests another Rs 337600 while A withdraws Rs 45600. The ratio of investments then changes to 24: 59: 167. How much does A invest initially?Solution
Let their investment be =3x, 5x, 7x After a year A investment = 3x - 45600 B investment= 5x C investment =7x + 337600  New ratio = 3x - 45600: 5x (3x-45600)/5x=24/59  x = 47200 So A investment =47200 × 3 =1, 41, 600Â
What will come in place of the question mark (?) in the following series?
1528, 1416, 1204, ?, 480, -32
143 Â Â Â Â 119Â Â Â Â 107Â Â Â Â 101Â Â Â Â Â 98Â Â Â Â ?
96 89 ? 90 94 91
...What value should come in the place of (?) in the following number series?
19, 235, 260, 324, 333, ?
What will come in place of the question mark (?) in the following series?
305...
In each of the following number series, one term is missing. Find the missing term.
3, 5, 20, 24, 144, 150, ?
1029, 1030, 1039, 1064, ?, 1194
75, 80, 95, ?, 155, 200
What will come in place of the question mark (?) in the following series?
1515, 184, ?, 455, 967, 624
7 29 61 ? 211 349
...
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