Question

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Answer 1

Answer:

37. let principal = 100%

E.rate = 2 × 4+(4^2/100)= 8.12%

108.16% =2028

100% = 100×2028÷108.16

= 1875

37. Let the number of lorries required more = x. As the goods are more ⇒ More lorries are needed to transport. ∴ It is direct proportion. ∴ Multiplying factor = 180/135 Again if more days ⇒ less number of lorries enough. ∴ It is direct proportion. ∴ Multiplying factor = 5/4 ∴ 6 + x = 6 × 180/135 × 5/4 6 + x = 10 x = 10 – 6 x = 4 ∴ 4 more lorries are required