Question
A man can row 9 km/hr in still water. If the speed of
the current is 3 km/hr, it takes 4 hours more in upstream than in the downstream for the same distance. The distance isSolution
Let the required distance be x km. Therefore, x/(9 – 3) – x/(9 + 3) = 4 ⇒ x/6 – x/12 = 4 ⇒ (2x – x)/12 = 4 ⇒ x = 4 x 12 = 48 km
Identify the segment in the sentence that contains a grammatical error-
The village head man attempted to tactful pacify the quarrelling families.
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Even through the detector had been built and was functional , the theory had to be developed .
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In the question below, a sentence is given, divided into five parts (A) , (B) , (C) , (D) and (E) . One of the parts is grammatically incorrect or has ...
The volunteers came into (A)/the room very quiet because (B)/the patient was sleeping (C).
The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
She suggested that we should (...
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