Question
A box contains some grey, brown and black sweets. The ratio of the number of grey sweets to the number of brown sweets is 1 : 4. The ratio of the number of brown sweets to the number of black sweets is also 1 : 4. What is the ratio of the number of grey sweets to the number of black sweets in the box?
2 m

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A box contains some grey, brown and black sweets. The ratio of the number of grey sweets to the number of brown sweets is 1 : 4. The ratio of the number of brown sweets to the number of black sweets is also 1 : 4. What is the ratio of the number of grey sweets to the number of black sweets in the box?