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## #151 2008-11-20 17:54:40

ganesh
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Posts: 21,730

### Re: *** Problems

#53. Find the square root of 7 + 3√5.

#54. Find the square root of 53 - 12√10.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #152 2008-12-09 18:51:31

ganesh
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### Re: *** Problems

#55. If 47.2506 = 4A +7/B + 2C + 5/D + 6 E, then what is the value of 5A  + 3B +6C + D  + 3E equal to?
(1) 53.6003  (2) 53.603  (3) 153.6003  (4) 213.0003

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #153 2008-12-15 01:47:26

ganesh
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### Re: *** Problems

#56.  Arrange the following fractions in the descending order:-

.

#57. Arrange the following in the ascending order:-

.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #154 2008-12-24 17:27:12

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

#58. Find the square root of

.

#59. If

be the sum of n terms of three Arithmetic series, the first erm of each being 1 and the respective common differences 1, 2, and 3, prove that
.

#60. Find the three numbers in Geometric progression such that their sum is

and the product of their reciprocals is
.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #155 2008-12-30 07:23:15

JaneFairfax
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## #156 2008-12-30 17:54:05

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

You are correct, JaneFairfax!

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #157 2009-01-01 17:22:44

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

#61. Mike can walk a certain distance in 40 days when he rests 9 hours a day. How long would he take to walk twice the distance, twice as fast and rest twice as long each day?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #158 2009-01-02 02:45:27

ganesh
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Posts: 21,730

### Re: *** Problems

#62. What is a:b equal to if

?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #159 2009-01-02 05:31:19

Identity
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Registered: 2007-04-18
Posts: 934

### Re: *** Problems

ganesh wrote:

#62. What is a:b equal to if

?

Last edited by Identity (2009-01-02 05:46:25)

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## #160 2009-01-02 16:39:05

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

Answer to #62. You are correct, Identity!

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #161 2009-01-02 16:54:02

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

#63. Find the value of

.

#64. Simplify:-

.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #162 2009-01-02 22:17:19

JaneFairfax
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## #163 2009-01-03 00:55:34

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

You are correct, JaneFairfax!

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #164 2009-01-03 02:05:50

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

#65. A and B earn in the ratio 2:1. They spend in the ratio 5:3 and save in the ratio 4:1. Determine the monthly income of each if the monthly savings of both A and B together is \$5000.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #165 2009-01-03 08:40:11

JaneFairfax
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## #166 2009-01-03 17:38:35

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

You are perfectly right, Janefairfax!

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #167 2009-01-03 17:56:40

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

#66. Three numbers form an increasing Geometric Progression. If the middle number is doubled, the new numbers are in Arithmetic Progression. What is the common ratio of the Geometric Progression?

#67. Three distinct real numbers a,b,c are in Geometric Progression such taht a+b+c=xb; then which of the following is true?
(1) 0<x<1
(2) -1<x<3
(3) x<-1 or x>3
(4) -1<x<2

#68. If A and G be the Arithmetic Mean and Geometric Mean of two numbers in the ratio m:n, then the numbers are:
(1)

(2)

(3)

(4)

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #168 2009-01-03 23:10:21

JaneFairfax
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## #169 2009-01-04 00:19:06

ganesh
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Posts: 21,730

### Re: *** Problems

Very good work, JaneFairfax! You're correct!

#69. Find the value of x if

?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #170 2009-01-04 00:31:51

JaneFairfax
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## #171 2009-01-04 00:50:37

ganesh
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Registered: 2005-06-28
Posts: 21,730

### Re: *** Problems

Perfectly right, Janefairfax!

#70. What is the value of x if

?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #172 2009-01-04 01:01:58

JaneFairfax
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## #173 2009-01-04 01:21:21

ganesh
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Posts: 21,730

### Re: *** Problems

Correct, Janefairfax! Keep it up!

#71. What is the value of x if

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #174 2009-01-04 01:56:53

JaneFairfax
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## #175 2009-01-04 03:09:28

ganesh
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