10 second questions

Jai Ganesh · 2011-09-01 17:24:49

Hi anonimnystefy and bobbym,

The solution #3197 is 30[sup]o[/sup]. Well done, bobbym!

#3198. The price of 2 sarees and 4 shirts is $1600. With the same money, one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay?

#3199. If 2 tables and 3 chairs cost $3,500 and 3 tables and 2 chairs cost $4,000, then how much does a table cost?

bobbym · 2011-09-01 19:03:03

Hi;

Jai Ganesh · 2011-09-01 23:50:04

Hi bobbym,

The solutions #3198 and #3199 are correct. Good work!

#3200. In a classroom, if 6 students per bench are assigned to accommodate all students, one more bench would be required. However, if 7 students are accommodated per bench, there would be a space left for 5 students. What is the number of students in the class?

bobbym · 2011-09-02 00:26:25

Hi;

Jai Ganesh · 2011-09-03 00:34:09

Hi bobbym,

The solution #3200 is correct. Well done!

#3201. Alfred buys an old scooter for $4700 and spends $800 on its repairs. If he sells the scooter for $5800, what is his gain percent?

#3202. A shopkeeper purchased 70 kilograms of potatoes for $420 and sold the whole lot at the rate of $6.50 per kilogram. What would be his gain percent?

bobbym · 2011-09-03 00:42:34

Hi;

Jai Ganesh · 2011-09-03 18:42:56

Hi bobbym,

The solution #3201 is correct. Good work!

Regarding #3202, I get

.

#3203. A man buys a bicycle for $1400 and sells it at a loss of 15%. What is the Selling Price of the bicycle?

#3204. A sells an article which costs him $400 to B at a profit of 20%. B then sells it to C, making a profit of 10% on the price he paid to A. How much does C pay B?

bobbym · 2011-09-03 22:20:01

Hi ganesh;

Jai Ganesh · 2011-09-03 23:27:45

Hi bobbym,

The solutions #3203 and #3204 are correct. Excellent!

#3205. Peter purchased a machine for $80,000 and spent $5,000 in repair and $1,000 on transport and sold it with 25% profit. At what price did he sell the machine?

bobbym · 2011-09-03 23:42:33

Hi;

Jai Ganesh · 2011-09-04 16:17:17

Hi bobbym,

The solution #3205 is correct. Neat job!

#3206.

#3207. If

, then what is the value of x?

bobbym · 2011-09-04 16:24:21

Hi;

anonimnystefy · 2011-09-05 01:33:04

hi ganesh

Jai Ganesh · 2011-09-05 02:44:29

Hi bobbym and anonimnystefy,

The solutions #3206 and #3207 are correct, bobbym. Excellent!

The solution #3206 is correct. Good work!

#3208. A hall is 15 meter long and 12 meter broad. If the sum of the areas of the floor and the ceiling is equal to the sum of areas of the four walls, what is the volume of the hall?

bobbym · 2011-09-05 02:55:14

Hi ganesh;

Jai Ganesh · 2011-09-05 19:29:03

Hi bobbym,

The solution #3208 is correct. Well done!

#3209. A typist uses a sheet measuring 20 cm by 30 cm lengthwise. If a margin of 2 cm is left on each side and a 3 cm margin on top and bottom, then what is the percent of the page used for typing?

#3210. A room is 15 feet long and 12 feet broad. A mat ought to be placed on the floor of this room leaving 1 1/2 feet space from the walls. What would be the cost of the mat at the rate of $3.50 per square feet?

bobbym · 2011-09-05 19:41:52

Hi;

Jai Ganesh · 2011-09-06 00:35:36

Hi bobbym,

The solution #3210 is perfect. Well done!

#3211. What would be the cost of gardening 1 meter broad boundary along a rectangular plot having perimeter of 340 meters at the rate of $10 per square meter?

bobbym · 2011-09-06 00:51:40

Hi;

Stormtangent · 2011-09-06 14:12:52

Hi,

Stormtangent · 2011-09-06 14:19:56

Hi,

I'm sorry if I'm posting these a bit late; I recently joined this site.

Last edited by Stormtangent (2011-09-06 14:20:54)

Jai Ganesh · 2011-09-06 17:27:21

Hi bobbym and Stormtangent,

bobbym : The solution #3211 is correct. Excellent!

Stormtangent : The solutions #3200 to #3211 are correct. Outstanding!

#3212. Find the compound interest on $10,000 in 2 years at 4% per annum, the interest being compounded half-yearly.

#3213. Find the compound interest on $16,000 at 20% per annum for 9 months compounded quarterly.

bobbym · 2011-09-06 17:50:57

Hi ganesh;

Jai Ganesh · 2011-09-06 22:21:32

Hi bobbym,

The solutions #3212 and #3213 are perfect. Excellent!

#3214. If the simple interest on a sum of money at 5% per annum is $1200, find the compound interest on the same sum for the same period at the same rate.

bobbym · 2011-09-07 00:02:45

Hi;

Math Is Fun Forum

#3076 2011-09-01 17:24:49

Re: 10 second questions

#3077 2011-09-01 19:03:03

Re: 10 second questions

#3078 2011-09-01 23:50:04

Re: 10 second questions

#3079 2011-09-02 00:26:25

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#3080 2011-09-03 00:34:09

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#3081 2011-09-03 00:42:34

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#3082 2011-09-03 18:42:56

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#3083 2011-09-03 22:20:01

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#3084 2011-09-03 23:27:45

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#3088 2011-09-05 01:33:04

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#3089 2011-09-05 02:44:29

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#3090 2011-09-05 02:55:14

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#3091 2011-09-05 19:29:03

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#3092 2011-09-05 19:41:52

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#3093 2011-09-06 00:35:36

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#3095 2011-09-06 14:12:52

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#3096 2011-09-06 14:19:56

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#3097 2011-09-06 17:27:21

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