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Question

Three tankers contain 434 litres, 465 lites and 403 lites of fuel respectively. What should be the maximum capacity of a container that can measure the fuel of the three containers exact number of times.


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Solution

Amount of fuel present in the first tank = 434 litres

Amount of fuel present in the second tank = 465 litres

Amount of fuel present in the third tank = 403 litres

To measure the three tankers, we need to find the container’s maximum measuring capacity. We need to find the HCF because the measuring capacity is smaller than 434 litres, 465 litres and 403 litres.

The Highest Common Factor or HCF is the largest common divisor or GCD of two or more positive integers, as the mathematics rules dictate, appears to be the largest positive integer that divides the numbers without leaving a remainder.

The maximum capacity of container = H.C.F. of (434,465,403)

Let us find the prime factorization of 434, 465 and 403.

⇒ Factors of 434=2×7×31
⇒ Factors of 465=3×5×31
⇒ Factors of 403=13×31

∴ H.C.F of (434,465,403)=31

Therefore, 31 litres of the container is required to measure the quantity. i. e. The maximum measuring capacity is 31 litres.


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