Oral puzzles

bobbym · 2011-09-11 16:28:09

Hi;

Jai Ganesh · 2011-09-11 23:02:46

Hi bobbym,

The solution #1230 is perfect. Good work!

#1231. A two-digit number becomes five-sixth of itself when the digits are reversed. The two digits differ by one. Find the number.

bobbym · 2011-09-11 23:06:59

Hi;

Jai Ganesh · 2011-09-12 01:25:23

Hi bobbym,

The solution #1231 is correct. Well done!

#1232. At what rate percent per annum (simple interest) would a sum of money double in 16 years?

bobbym · 2011-09-12 01:30:18

Hi ganesh;

Jai Ganesh · 2011-09-12 19:00:09

Hi bobbym,

#1233. The simple interest in a sum of money is

of the Principal. Find the rate percent and time, if both are numercially equal.

bobbym · 2011-09-12 23:17:51

Hi ganesh;

Jai Ganesh · 2011-09-12 23:39:29

Hi bobbym,

#1234. What annual instalment would discharge a debt of $1092 in 3 years at 12% simple interest?

bobbym · 2011-09-12 23:50:18

Hi ganesh;

Jai Ganesh · 2011-09-13 00:12:49

Hi bobbym,

#1235. Find the simple interest on $68,000 at

% per annum for 9 months.

bobbym · 2011-09-13 00:17:20

Hi;

Jai Ganesh · 2011-09-13 00:34:33

Hi bobbym,

#1236. A sum of $800 amounts to $920 in 3 years at simple interest. If the rate is increased by 3%, how much would it amount to?

bobbym · 2011-09-13 00:43:55

Hi ganesh;

Jai Ganesh · 2011-09-14 00:05:55

Hi bobbym,

The solution #1236 is perfect. Well done!

#1237. If each edge of a cube is doubled, what results in the volume?

bobbym · 2011-09-14 00:23:13

Hi ganesh;

Jai Ganesh · 2011-09-14 17:56:34

Hi bobbym,

The solution #1237 is correct. Well done!

#1238. If every side of a triangle is doubled, the area of the new triangle is K times the area of the old one. What is the value of K?

bobbym · 2011-09-14 18:06:36

Hi ganeshl

Jai Ganesh · 2011-09-15 00:04:59

Hi bobbym,

The solution #1238 is perfect. Good work!

#1239. Anand and Deepak started a business investing $22,500 and $35,000 respectively. Out of the total profit of $13,800, what is Deepak's share?

bobbym · 2011-09-15 01:37:33

Hi;

Jai Ganesh · 2011-09-15 17:24:22

Hi bobbym,

The solution #1239 is perfect. Good work!

#1240. If the volumes of two cubes are in the ratio 27:1, what is the ratio of their edges?

bobbym · 2011-09-15 18:39:14

Hi ganesh;

Jai Ganesh · 2011-09-16 18:46:45

Hi bobbym,

The solution #1240 is correct. Good work!

#1241. A circular well with a diameter of 2 meters, is dug to a depth of 14 meters. What is the volume of the earth dug out?

(Use

)

bobbym · 2011-09-16 21:41:26

Hi;

Jai Ganesh · 2011-09-16 23:57:08

Hi bobbym,

The solution #1241 is perfect. Neat job!

#1242. The capacity of a cylindical tank is 246.4 liters. If the height is 4 meters, what is the diameter of the base?

(Use

)

bobbym · 2011-09-17 02:33:16

Hi;

Math Is Fun Forum

#1351 2011-09-11 16:28:09

Re: Oral puzzles

#1352 2011-09-11 23:02:46

Re: Oral puzzles

#1353 2011-09-11 23:06:59

Re: Oral puzzles

#1354 2011-09-12 01:25:23

Re: Oral puzzles

#1355 2011-09-12 01:30:18

Re: Oral puzzles

#1356 2011-09-12 19:00:09

Re: Oral puzzles

#1357 2011-09-12 23:17:51

Re: Oral puzzles

#1358 2011-09-12 23:39:29

Re: Oral puzzles

#1359 2011-09-12 23:50:18

Re: Oral puzzles

#1360 2011-09-13 00:12:49

Re: Oral puzzles

#1361 2011-09-13 00:17:20

Re: Oral puzzles

#1362 2011-09-13 00:34:33

Re: Oral puzzles

#1363 2011-09-13 00:43:55

Re: Oral puzzles

#1364 2011-09-14 00:05:55

Re: Oral puzzles

#1365 2011-09-14 00:23:13

Re: Oral puzzles

#1366 2011-09-14 17:56:34

Re: Oral puzzles

#1367 2011-09-14 18:06:36

Re: Oral puzzles

#1368 2011-09-15 00:04:59

Re: Oral puzzles

#1369 2011-09-15 01:37:33

Re: Oral puzzles

#1370 2011-09-15 17:24:22

Re: Oral puzzles

#1371 2011-09-15 18:39:14

Re: Oral puzzles

#1372 2011-09-16 18:46:45

Re: Oral puzzles

#1373 2011-09-16 21:41:26

Re: Oral puzzles

#1374 2011-09-16 23:57:08

Re: Oral puzzles

#1375 2011-09-17 02:33:16

Re: Oral puzzles

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