In the given figure 1 II M II n, the value of x is
l ∥ m ∥n Sum of interior angles of triangle=180 ° ∠ ABC=180 ° -120 ° =60 ° ∠ ACB=180 ° -∠ A ° -∠ ABC ° =180 ° -70 ° +60 ° =50 ° ∠ ACB=∠x (corresponding angles) =50 °
13 52 208 ? 3328 13312
31 32 35 ? 47 56
...8 12 39 ? 180 216
...3, 8, 18, 33, 53, ?
62, 87, 137, ?, 312, 437
What will come in place of the question mark (?) in the following series?
3.5, 9.5, 27.5, 81.5, 243.5, 729.5, ?
Complete the series choosing the missing number.
110, 99, 86, ___, 54, 35.
12 ? 545 2729 10919
51 26 27 ? 86 217.5
58 83 133 ? 308 433
