The ratio in which the Darjeeling tea at $ 32 per kg is

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The ratio in which the Darjeeling tea at $ 32 per kg is mixed with the Assam tea at $ 25 per kg so as to gain 20% by selling the mixture at $ 32.40 per kg is

1. 4 : 3
2. 3 : 4
3. 5 : 2
4. 2 : 5

Correct Option: D

If the C.P. of the mixture be $ p per kg, then

p ×	120	= 32.40
	100

⇒ p ×	32.40 × 100	= 27
	120

Using alligation method ,

∴ Required ratio = Price of Darjeeling tea : Price of Assam tea = 2 : 5