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According to the figure above: tan 45° = 270/(a + b) ⇒ 1 = 270/(a + b) ⇒ a + b = 270 Also, tan 60° = 270/a ⇒ √ 3 = 270/a ⇒ a = 270/ √ 3 ⇒ a = 90√ 3 = 155.8 ∴ b = 270 - 155.8 = 114.2 ⇒ The boat covers a distance of 114.2 m in 2 minutes. ∴ Speed of the boat = (114.2 x 60)/(2 x 1000) km/h = 3.4 km/h
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Complete the analogy-
Peacock:India::Bear:?
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61, 95, 138, 197, 279, ?
What should come in place of the question mark (?) in the given series ?
40 ? 18 10 4 0
Select the number from the given options which can come in place of the question mark (?) in the following series.
27, 29, 34, 44, 61, 87, ?
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Two positions of a cube are shown. What will come opposite to the face showing ‘@’?
A unique number has been assigned to each letter in the following table. Select such a combination of numbers which when arranged according to the lette...
Three of the following letter-clusters are alike in some manner and one is different.
Select the one that is different.
