Question
12   18   31   51   ? Â
 112 What will come in place of the question mark (?) in the following series?Solution
12Â Â Â Â Â Â Â Â 18Â Â Â Â Â Â Â 31Â Â Â Â Â Â Â 51Â Â Â Â Â Â Â 78 Â Â Â Â Â Â 112 Â Â Â Â +6Â Â Â Â Â Â Â Â +13Â Â Â Â Â Â +20Â Â Â Â Â +27Â Â Â Â Â Â +34 Â Â Â Â Â Â Â Â Â +7Â Â Â Â Â Â Â Â +7Â Â Â Â Â Â +7Â Â Â Â Â Â +7
32 of (16/8) of (30/24) of (120/x) = 30
22% of 400 + √ ? = 34% of 800 - 25% of 400
43.5 × [1/7 × (91 - 49) + 17(1/3)] = ?
32% of 450 + 60% of 150 = ? × 9
15% of 695 – 12.5% of 250 =? – 1200
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
42 * 7 * 64 * 11 * 6 *4
672 ÷ 28 × 24 + 363 – 309 =?
What is 12% of 4% of 7% of 2 x 106 ?
4? + 82 = 22% of 300
215 + 378 – 23 + 15 - 27 = ? + 3² + 16²
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