What should come in place of the question mark (?) in the following number series?
17, 19, 23, 29, 37, ?
900, 899, 891, 864, 800, ?
4, 32, 224, 1344, 6720, ?
56, 54, 58, 50, 66, ?
655, 637, 622, 610, 601, ?
approximate value will sonar place of the question mark (1 in ilk. following questions ? (you are not required to calculate the exact value.).
10303.88 $$\div$$ 55.94 + 62.95 = ?
$$\sqrt{\frac{12321}{36.07}} = ?$$
19.03 $$\times$$ 16.98 $$\times$$ 13.01 = ?
117% of 459.88 - 162% of 143.02 = ?
3/5 $$\times$$ 4/9 $$\times$$ 5894.92=?