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Let the distance travelled by a man be D km According to the question, Total time taken = 2 hrs 20 min = 2(20/60) = 7/3 hours Total time = T1 + T2 D/16 + D/12 = 7/3 (3D + 4D)/48 = 7/3 7D/48 = 7/3 D = 16 km
An original figure is first enhanced by 25% and then reduced by 10%. What is the final overall percentage change?
A man spends 22% and 14% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 27% on food and 42% on en...
A spent 30% and 26% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 20% and 40% to his mother and brother, respec...
If 20% of (A + B) = 30% of (A – B), then what percentage of B is equal to A?
In an election between two candidates, winner got 40% of total valid votes. If total number of votes cast were 1000 out of which 6% were invalid, then f...
The population of a city is decreased by 15% in the first year and then increased by 25% in the second year. Find the population of the city at the end...
If the length of a rectangle is increased by 60%, what would be the percentage decrease (correct to the nearest integer) in the width to maintain the s...
Rajesh spent 44% of his monthly income on food and 56% of the remaining of study. If total monthly savings (after spending on food and study) of Rajesh ...
