Question
What is the difference between the cost of fencing of R
and that of Q?Solution
Perimeter of Q = 2(l + b) = 2 (20 + 40) = 120 m So, cost of fencing of Q = 120 × 30 = Rs 3600 Perimeter of R = 4 × 30 = 120 m So, cost of fencing of R = 120 × 36 = Rs 4320 So, required difference = 4320 – 3600 = Rs 720
More DI Questions
?% of 1200.22 + 319.82 = 3.99 × 295.64
?% of (140.31 ÷ 19.97 × 80.011) = 139.98
30.05% of 149.97 + ? X 8.88 = (39.95 + 12.012 - 13.0322)2Â
41.97 × 5.12 ÷ 2.99 + 49.89 = ?× 1.99
(8000)1/3  × 10.11 × 8.97 ÷ 18.32 = ? + 25.022
?% of 309.99 = 40.01% of 249.99 + 295.98% of 49.99
(? + 11.86) X 14.89 = 19.89% of 2399.89
Find the approximate value of Question mark(?). There is no requirement to find the exact value.
? = 499.87 – 24.95 × 14.04 + (20.15)²
(32.25 × 14.98) + 31.76% of 1499.89 = ? × 3.67
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