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Let the amount be 100 units Interest = 15% 4th year -------------- 100 unit -------------45 (Interest of 3 years) [Interest is at the end] 3rd Year -------------- 100 unit ----------- 30 2nd Year --------------100 unit ------------ 15 1st Year ---------------100 unit ------------- 0 Total Interest = 45 + 30 + 15 + 0 = 90 Total Amount = 400 + 90 = 490 units 490 units = 1960 1 unit = 400 Formula Method :- Formula for Annual Payment/ Annual Income / Annual Installment = (Due Debt ×100)/(100 ×t+ (r × t ×(t-1) )/2) = (1960 ×100)/(100 ×4+ (15 × 4 ×(4-1) )/2) = 196000/(400+90) = 400
Find the approximate value of Question mark(?) for given equation.
(71.92% of 149.99) ÷ 12.04 + 107.98 = ?
12.99% of 499.99 ÷ 13.17 = ? ÷ 20.15
(2310.23 ÷ 32.98) + (1008.32 ÷ 23.9) + 1594.11 = ?
?% of 549.83 – 18.05 × 31.96 = 44.94% of 479.84 – 13.98 × 33.13
19.87% of (49.68 × ?) = 19.78% of 1099.87
A can complete a piece of work in 15 days. B is 30% more efficient than A. If they work together, how many days will it take to complete the work?
30.11% of 149.99 + √195.97 ÷ 7.02 = ?
1560.182 ÷ √168 + √143 * √224 – 4649.87 ÷ 30.883= ?
(3/5) of 3025 + (18² + 12²) = ? + 22.22% of 1125