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Start learning 50% faster. Sign in nowLet the speed of the man in still water be x km/hr. Downstream speed = (x+ 4.5) km/hr. Upstream speed = (x- 4.5) km/hr. (x+ 4.5) × 5 = (x- 4.5) × 8 5 x + 22.5 = 8 x - 36 3 x = 58.5 ∴ x = 19.5 km/hr.
A cube is made by folding the given sheet. In the cube so formed, which number / letter will on the face opposite to the face showing ‘K’?
Two different positions of the same dice are shown, the six faces of which are numbered 72, 83, 76, 87, 98 and 45. Select the number that will be on the...
Four different positions of the same dice are shown. Find the number on the face opposite to the one having 3.
Choose the box that is similar to the box formed from the given sheet of paper (X).
Two positions of a dice are shown below. When number 1 is on the top, what number will be at the bottom?
Two different positions of the same dice are shown. If number 6 is on the lower board then what number will be on the upper board?
Of a cubical container, all the six faces have different markings indicating the position of the equipment packed inside. Which letter is opposite the f...
