Ques:- A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100 gms.
Recent Answer : Added by Ashu On 2021-01-30 01:20:12:
Initially (2*33 + 1*24)/(2+1) = 30p a gm
So, cost for 100g = 100*30 = 3000p
Later, (1*33 + 2*24)/(1+2) = 71/3 p a gm.
So, cost for 100g = 100*(71/3) = 2366.67p
He saves 3000 – 2366.67 = 633.33p
Concept of weighted average.
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Recent Answer : Added by whocares On 2022-08-14 16:32:07:
Ans is 10%
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Ques:- The length of the base of a triangle is three times the height. The area of the triangle is 24 square inches. Find the length of the base of the triangle. (Area=1/2bh)
Recent Answer : Added by Admin On 2020-05-17 12:05:17:
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Recent Answer : Added by BISHWAS KUMAR On 2022-01-16 17:16:46:
=36*84/ lcm
= 36 * 84 / (12 * 3 * 7 )
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Ques:- Mr. Rahul spends 30% of his monthly salary on domestic expenses. He spends respectively 20% and 10% of the remaining salary on education of children and conveyance. Of the remaining amounts now he spends respectively 20% and 30%on entertainment and maintenance of house. He saves Rs.5512.50. what is the monthly salary of Mr. Rahul?
A. Rs. 22,500
B. Rs. 20,000
C. Rs. 25,000
D. Rs. 24,500
E. None of these
Recent Answer : Added by Admin On 2020-05-17 12:03:47:
How it is possible ? Please write in detail !!! This answer
s not a use !!!
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Initially (2*33 + 1*24)/(2+1) = 30p a gm
So, cost for 100g = 100*30 = 3000p
Later, (1*33 + 2*24)/(1+2) = 71/3 p a gm.
So, cost for 100g = 100*(71/3) = 2366.67p
He saves 3000 – 2366.67 = 633.33p
Concept of weighted average.