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Multiple Choice Questions

A tin of oil was 4 5 full When 6 bottles of oil were taken out from this tin and 4 bottles of oil we...........

Quantitative Aptitude (CDS) LCM, HCF

A tin of oil was 4/5 full. When 6 bottles of oil were taken out from this tin and 4 bottles of oil were poured into it, it was 3/4 full. Oil of how many bottles

can the tin contains? (All bottles are of equal volume)

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Explanation:

Let the number of bottles in the tin be 20 n. [LCM of (5, 4) = 20].

Initially it had 16 n bottles. 6 bottles were removed and 4 were poured into the tin. Then it was3/4 full.
16n – 6 + 4 = 15n ⇒n = 2
∴ 20n = 20 × 2 = 40

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