Question
The ratio of zinc and copper in a brass pieces is 2:5.
How much zinc will be there in 140 kg of such a piece?Solution
Amount of zinc = 140 × (2/7) kg = 40 kg
What will come in place of the question mark (?) in the following series?
4, 2605, 5309, 8118, ?
117, 117, 121, 129, 141, ?
- What will come in place of the question mark (?) in the following series?
32, 45, ?, 137, 216, 317 10296/72 + 3040 = (? × 4) + 1395
38, 41, 50, ?, 158, 401Â
18, 35, 68, 117, ?, 263Â
What will come in place of the question mark (?) in the following series?
10, 135, ?, 226, 234, 235
- 741, 852, 1074, 1407, ?
9    14    38    129    ?   2705   16260
...What will come in place of the question mark (?) in the following number series?
21, 42, 67, 96, ?, 166