Question
Select the option that is related to the third number
cluster in the same way the second number cluster is related to the first number cluster. 36: 648 :: 48: ?Solution
The first number is multiplied by its half to get the second number. Similarly, the third number is multiplied by its half to get the fourth number. For (36: 648): 36 × (36 ÷ 2) = 36 × 18 = 648 Similarly, for (48: ?): 48 × (48 ÷ 2) = 48 × 24 = 1152
A 540-metre long train takes 9 seconds to cross a pole. If it takes 33 seconds to cross a bridge, then find the length of the bridge. (in km)
A 360 m long train crosses a platform twice its length in 2 min. Find the speed of the train.
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