10 second questions

bobbym · 2012-07-25 00:39:06

Hi;

anonimnystefy · 2012-07-25 21:03:37

Hi ganesh

Jai Ganesh · 2012-07-25 23:11:34

Hi bobbym and anonimnystefy,

The solutions #4213 and #4214 are correct. Good work!

#4215. If A : B = 3 : 4 and B : C = 6: 7, then what is the ratio A : B : C equal to?

#4216. If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : B : C : D is equal to ________________

anonimnystefy · 2012-07-25 23:15:54

Hi ganesh

bobbym · 2012-07-25 23:18:25

Hi ganesh;

Jai Ganesh · 2012-07-26 22:52:28

Hi anonimnystefy and bobbym,

The solutions #4215 and #4216 are correct. Excellent!

#4217. In 50 liters mixture of milk and water, the ratio of milk and water is 3 : 2. Find the quantity of water to be added in the mixture in order to make the ratio 2 : 3.

#4218. A mixture contains alcohol and water in the ratio 4 : 3. If 5 liters of water is added to the mixture, the ratio becomes
4 : 5. Find the quantity of alcohol in the given mixture.

bobbym · 2012-07-26 23:06:18

Hi ganesh;

anonimnystefy · 2012-07-27 01:33:55

Hi ganesh

Last edited by anonimnystefy (2012-07-27 01:39:04)

Jai Ganesh · 2012-07-28 00:27:02

Hi,

The solutions #4217 and #4218 are correct, bobbym! Excellent!

The solution #4217 is correct, anonimnystefy! Good work!

#4219. A, B, and C enter into a partnership investing $35,000, $45,000, and $55,000 respectively. Find the respective share of A in an annual profit of $40,500.

#4220. A, B, and C started a shop by investing $2700, $8100, and $7200 respectively. At the end of one year, the profit was distributed. If B's share was $3600, find their total profit.

anonimnystefy · 2012-07-28 00:48:14

Hi ganesh

bobbym · 2012-07-28 03:37:54

Hi;

Jai Ganesh · 2012-07-28 22:14:52

Hi anonimnystefy and bobbym,

The solutions #4219 and #4220 are correct. Excellent!

#4221. A can do a piece of work in 5 days and B can do the same work in 10 days. How many days would both take to complete the work?

#4222. A and B can finish a work in 16 days while A alone can do the same work in 24 days. B alone can finish the work in how many days?

bobbym · 2012-07-28 22:27:20

Hi;

anonimnystefy · 2012-07-28 23:56:40

Hi ganesh

Jai Ganesh · 2012-07-29 22:53:47

Hi bobbym and anonimnystefy,

The solutions #4221 and #4222 are correct. Excellent!

#4223. A can do a piece of work in 20 days and B can do it in 30 days. How long would they take to do it working together?

#4224. A an do a piece of work in 6 days. A and B together can do the work in 4 days. How long would it take B to finish the work?

bobbym · 2012-07-29 23:10:15

Hi;

anonimnystefy · 2012-07-30 00:04:47

Hi ganesh

Jai Ganesh · 2012-07-30 23:35:21

Hi bobbym and anonimnystefy,

The solutions #4223 and #4224 are correct. Neat work!

#4225. A and B together can reap a field in 10 hours, but by himself B requires 15 hours. How long would A take to reap the same field?

#4226. A and B can do a piece of work in 18 days, B and C in 24 days, and A & C in 36 days. In what time would they do it all working together?

anonimnystefy · 2012-07-31 00:08:46

Hi ganesh

bobbym · 2012-07-31 01:59:29

Hi ganesh;

Jai Ganesh · 2012-07-31 22:38:50

Hi anonimnystefy and bobbym,

The solutions #4225 and #4226 are correct. Excellent!

#4227. A train running at the average speed of 45 kilometers per hour passes an electric pole in 10 seconds. Find the length of the train.

#4228. Length of the train is 500 meters. If the speed is 60 kilometers per hour, then find the time to cross a pole.

bobbym · 2012-07-31 22:46:35

Hi ganesh;

anonimnystefy · 2012-07-31 23:44:44

Hi ganesh

And congrats on 10000 posts.

Last edited by anonimnystefy (2012-07-31 23:56:09)

Denominator · 2012-08-01 19:35:59

Hello!

I don't like trains >_<

Jai Ganesh · 2012-08-02 00:38:40

Hi bobbym, anonimnystefy, and Denominator,

The solutions #4227 and #4228 are correct. Neat job! (Denominator, the solution #4227 is 125 meters, not 1250 meters).

Thanks a lot, anonimnystefy (On 10,000 posts)!

#4229. A cistern can be filled by tap A in 4 hours and B in 3 hours. How long would it take to fill if both taps are opened together?

#4230. Pipe A can fill a tank in 5 hours, pipe B in 10 hours, and C in 30 hours. If all the pipes are open, in how many hours would the tank be filled?

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