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
Winter rainfall 'Mawat' occurs through-
Amirkhusrau hailed which city as the "Second Heaven and a great centre of Justice".
In 1951-52, the first year of the National Sample Survey (NSS), the head-count ratio of poverty in India was deemed to be close to _________ of the popu...
Which of the following districts has population growth rate less than 10 per cent, as per census 2011?
The Indus Valley Civilization, people had a trade contact with
(1) Central Asia Mesopotamia
(2) North Eastern Afghanistan
(3...
When was the legislative council in Tamil Nadu abolished?
The largest White Blood Corpuscle is -
Palas, Prathiharas and Rashtrakutas participated in warfare for the control of which of the following cities?
Central Arid Zone Research Institute is situated in -
Which ocean is the largest by area?
