Question 12 of 17beginner🔧 ApplyNumerical2 marks

It takes 6 hours to fill 2 tanks of the same size with a pump. How long will it take to fill 5 such tanks with the same pump?

Correct Answer

Type: Direct proportion problem (more tanks require more time)

Step 1: Find time to fill one tank 6 hours ÷ 2 tanks = 3 hours per tank

Step 2: Calculate time for 5 tanks 5 tanks × 3 hours = 15 hours

Answer: It will take 15 hours to fill 5 tanks.

Exercise: Figure it Out (Section 4) | Q: 7 | (Page Page 14)
For More Understanding

Explanation

The chapter explains that this is a direct proportion problem. More tanks require more time with the same pump. Time per tank = 6 hours ÷ 2 tanks = 3 hours per tank. For 5 tanks: 5×35 \times 3 = 15 hours.

Solution Steps

  1. Step 1: Find time to fill one tank: 6 hours ÷ 2 tanks = 3 hours per tank

  2. Step 2: Calculate time for 5 tanks: 5 tanks × 3 hours = 15 hours

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