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Iron and copper are melted in a furnace of a die casting machine in the ratio of 9:11. What is the weight of the melted mixture, if 28.8 kg of iron has been consumed in it?
Option: (1) 64 kg, (2) 35.5 kg, (3) 32 kg, (4) 36 kg

2007-06-26 22:40:43 · 10 answers · asked by mridul m 1 in Science & Mathematics Mathematics

10 answers

Answers with Solutions

Qns. 1:

Iron > 9 units
Copper > 11 units

Iron + Copper (Mixture) > 20 units

9 units = 28.8 kg
20 units = 28.8 / 9 * 20
= 64 kg

Answer : Option A (64 kg)

Hope This Solutions Will Help In Answering Your Questions ;)

G0n9 G0n9™
Mathematician

2007-06-26 23:29:42 · answer #1 · answered by Kelvin 2 · 0 0

the answer is 1) 64 Kg

divide 28.8 by 9 then multiply by 11 add 28.8 gives u 64 kg ;)

2007-06-26 22:45:26 · answer #2 · answered by Roy_Luen 2 · 0 0

The metal, Gold, silver, bronze and iron are all political kingdoms that ruled on the earth, Babylon, Medo-Persians,Greece, and Rome. Now we are in the iron and clay period. I would say that the iron represents political systems and the clay is not a metal which indicates a different power that being, a religious power. Now these powers do not join together but work independently. We know that a religious power ruled in the dark ages for 1260 days/years and received a deadly wound. It was said to be a beast power. We read in Revelation that this power will rise again ( it will be healed of this deadly wound) and have a strong influence in worldly affairs. This corrupted religious power will seek to persecute God's true people as seen in Rev 13:11-18. Those that are faithful to God are said to be keeping the commandments of God, and have the testimony of Jesus. Rev 12:17; 14:12. Now in Rev 17:1-13 we see an unholy union between the political powers of the earth and this religious power ( whom the kings of the earth have committed fornication). Also note in verse 8 you can see that this beast power that was, and is not, and yet is. This anti-christ religious power will be doing great wonders, so that he maketh fire to come down from heaven on the earth and its a deceiving power and also forces its religious beliefs otherwise you should be killed. Rev 13:11-18. Now this false religious power will use the secular/political power to enforce religious dogma. You may also understand this by the mingling themselves with the seed of men. Rev 14:6-11 is a warning to avoid following this false religious power represented by the clay. Rev 18:3,9 Also talks about this unfortunate union with church and state as the kings of the earth committing fornication with her (false church). The good news out of this is that the saints look forward to the stone that destroys the image and sets up the everlasting kingdom were peace and joy reigns.

2016-05-17 06:07:28 · answer #3 · answered by catherine 3 · 0 0

x/28.8 = 11/9
x + 28.8 = 28.8(1 + 11/9) = 64 kg

2007-06-26 22:48:34 · answer #4 · answered by Helmut 7 · 0 0

that would be weight of mixture =28.8kg of iron + copper,weight of copper is =28.8/9 x 11=35.20kg.weight of mixture therefore is 64kg.

2007-06-26 23:12:01 · answer #5 · answered by allenpablo181 1 · 0 0

let weight of mixture be 20x
9x=28.8(wight of iron)
x=3.2
therefore weight of mixture is 20x=64 kg

2007-06-26 22:48:16 · answer #6 · answered by stiffmeister 2 · 0 0

9/11=28.8/X
X=28.8*11/9
X=35.2
WT OF TOTAL MIX=35.2+28.8
=64KG
KHUSH ? REPLY KAR
HAVE AGUD DAY
JAI GURUDEV

2007-06-26 23:44:42 · answer #7 · answered by Anonymous · 0 0

So, 9:11 total 20
So we have 28.8:?

So 11/9 * 28.8 = 11 * 3.2 = 35.2
.
So total is 28.8+35.2 = 64.
.

2007-06-26 22:44:42 · answer #8 · answered by tsr21 6 · 0 0

option 1 64 kgs



we r not in 3rd standard ask some gud questions

2007-06-27 07:20:18 · answer #9 · answered by Anonymous · 0 0

35.5 kg

2007-06-28 17:25:18 · answer #10 · answered by Oshobh 3 · 0 0

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