Question
15 12 ? 9 21
6 What should come in place of the question mark (?) in the following number series?Solution
15 – 3 = 12 12 + 6 = 18 18 – 9 = 9 9 + 12 = 21 21 – 15 = 6
More Series Questions
(4913)1/3 × 10.11 × 13.97 ÷ 20.32 = ? + 39.022
(14.14 × 29.98) + 20.15% of 549.99 = ? + 120.34
39.9% of 1720 + 80.2% of 630 = 89.9% of 1280 + ?
(1963.33 ÷ 6.5 - 193.99)/? = 753.02 ÷ 26.98
28.95% of 924.78 + 1955% of 38.99 = ?
[(2/3 of 599.77) + (39.69% of 450.14)] ÷ [(5/8 of 399.79) - √120.91] = ?
(2744)1/3 × 10.11 × 5.97 ÷ 14.32 = ? + 15.022
3.55% of 8120 – 66.66% of 540 = ? – 28% of 5500
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
115.98 + 109.01 + (√575 - 17) X 20.09 - 204.89 + 38.03 = ?
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