- A1.5
- B2
- C3
- D4
Step-by-Step Solution
Downstream speed = 24/2 = 12 km/h; upstream speed = 24/3 = 8 km/h. Speed of stream = (12 − 8)/2 = 2 km/h.
Answer: B) 2
A boat covers 24 km downstream in 2 hours and returns the same distance upstream in 3 hours. The speed of the stream (in km/h) is:
Competition practiceRatio, Percentage & Commercial Math
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Ratio, Percentage & Commercial Math practice questions
More Ratio, Percentage & Commercial Math practice
A and B start a business with ₹21000 and ₹15000. After 4 months A withdraws ₹3000 and B…A shopkeeper sells two articles for ₹1000 each, gaining 20% on one and losing 20% on the…A sum of money amounts to ₹9261 in 3 years at 5% per annum compound interest. The sum…A salary is increased by 10%, then by a further 20%, and is finally decreased by 25%.…A shop offers a 'buy 3, get 1 free' scheme on identical items. The effective discount is…