Question
‘M’ is 60% more efficient than ‘N’. ‘N’
started the work alone and worked for 20 days and after that ‘N’ is replaced by ‘M’. If the total work is completed in 44 days, find the time taken by ‘M’ to finish the same work alone?Solution
Let the efficiency of ‘N’ = ‘5x’ units/day Efficiency of ‘M’ = ‘8x’ units/day Time taken by ‘M’ to complete the remaining work = 44 – 20 = 24 days Total work = 20 × 5x + 24 × 8x = 292x units Desired time = 292x/8x = 36.5 days
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
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