Question
A train crosses a platform which is 300 m long in 35
seconds and the same train crosses a static pole in 15 seconds. Find the length and speed of the train.Solution
Sol. Let the length of the train be 
.  ⇒                       ⇒ 35  = 4500 + 15 ⇒ 20   = 4500                  ∴  = 225m ∴ Speed of the train=  =  15m/sec.
Find which one of the given words cannot be made from the letters of the given word.
‘ FORWARD ’
...Statement: Â Â Â Â Â Â Â
Some Cream are Lotion. Â Â Â Â Â Â
No Lotion is Oil. Â Â Â Â Â Â Â
No Cream is Shampoo. Â Â Â Â Â
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Which among the following words cannot be formed using the letters of the given word only once?
BIOTECHNOLOGY
Which among the following words can be formed using the letters of the given word only once?
POTASSIUM
Find which one of the given words cannot be made from the letters of the given word.
‘ ENCOURAGEMENT ’
...From the given alternative words, select the word which cannot be formed using the letters of the given word only once.
DEMOCRATIZATION
