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Start learning 50% faster. Sign in now According to the figure above: tan 45° = 240/(a + b) ⇒ 1 = 240/(a + b) ⇒ a + b = 240 Also, tan 60° = 240/a ⇒ √ 3 = 240/a ⇒ a = 240/ √ 3 ⇒ a = 80√ 3 = 138.5 ∴ b = 240 - 138.5 = 101.5 ⇒ The boat covers a distance of 101.5 m in 3 minutes. ∴ Speed of the boat = (101.5 x 60)/(3 x 1000) km/h = 2.03 km/h
117, 117, 121, 129, 141, ?
What will be the geometric mean of 'Q' and 'P - Q'.
18, 30, 50, 102, 282, ?
16.12 × 15.94 + 654.92 – 344.83 = ?× 5.95
168, 164, 155, 139, ?, 78
15, 8, 9, 15, 32, ?
195% of 1420 + 72 × 25 =?