Question
A is cycling at an average speed of 48 km/hr such that
he can reach a certain point at 12 noon. If he cycles at 80 km/hr, then he will reach the destination at 10 a.m. At what speed he should cycle to reach the destination at 11 a.m.Solution
Let the distance to be travelled be ‘x’ km Time taken when speed is 48 km/hr = (x/48) hours Time taken when speed is 80 km/hr = (x/80) hours According to the question, (x/48) – (x/80) = 2 Or, 5x – 3x = 2 × 240 Or, x = 240 km Time taken to travel 240 km with speed of 48 km/hr = 240/48 = 5 hours Therefore, he started at 12 – 5 = 7 a.m. Therefore, required speed to reach the destination at 11 a.m. or 4 hours = 240/4 = 60 km/hr
Select the most appropriate ANTONYM of the highlighted word.
It was an impetuous decision to buy a car when he didn’t have a job.
Choose the word correct synonym:
Regulate
- Identify the correct synonym of the word given below.
ENORMOUS - Each of the following questions consists of two words which have a relationship to each other. This is followed by four pairs of related words. Choose the ...
Choose the word with the correct spelling.
Select the option that can be used as a one-word substitute for the given group of words.
 Something that happens often or that lasts for a ...
- Choose a word that is similar in meaning to the given word.
Candid DISPENSE
amicable
Person who finds it difficult to go to sleep
Relevant for Exams:
