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## #151 2008-11-19 15:56:56

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#52. Factorize:-

x³ - 23x² + 142x - 120.

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## #152 2008-11-21 16:54:40

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#53. Find the square root of 7 + 3√5.

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

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## #153 2008-12-10 17:51:31

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#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

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## #154 2008-12-16 00:47:26

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

.

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

.

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## #155 2008-12-25 16:27:12

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#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
.

Character is who you are when no one is looking.

## #156 2008-12-31 06:23:15

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Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

A: Click here for answer.

## #157 2008-12-31 16:54:05

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Answer to #56:
You are correct, JaneFairfax!

Character is who you are when no one is looking.

## #158 2009-01-02 16:22:44

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#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?

Character is who you are when no one is looking.

## #159 2009-01-03 01:45:27

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#62. What is a:b equal to if

?

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## #160 2009-01-03 04:31:19

Identity
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#### ganesh wrote:

#62. What is a:b equal to if

?

Last edited by Identity (2009-01-03 04:46:25)

## #161 2009-01-03 15:39:05

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Answer to #62. You are correct, Identity!

Character is who you are when no one is looking.

## #162 2009-01-03 15:54:02

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#63. Find the value of

.

#64. Simplify:-
.

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## #163 2009-01-03 21:17:19

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Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

A: Click here for answer.

## #164 2009-01-03 23:55:34

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Answer to #63:-
You are correct, JaneFairfax!

Character is who you are when no one is looking.

## #165 2009-01-04 01:05:50

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#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.

Character is who you are when no one is looking.

## #166 2009-01-04 07:40:11

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Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

A: Click here for answer.

## #167 2009-01-04 16:38:35

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Answer to #61:-
You are perfectly right, Janefairfax!

Character is who you are when no one is looking.

## #168 2009-01-04 16:56:40

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#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)

Character is who you are when no one is looking.

## #169 2009-01-04 22:10:21

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Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

A: Click here for answer.

## #170 2009-01-04 23:19:06

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Answer to #68:-
Very good work, JaneFairfax! You're correct!

#69. Find the value of x if

?

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## #171 2009-01-04 23:31:51

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Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

A: Click here for answer.

## #172 2009-01-04 23:50:37

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Answer to #66:-
Perfectly right, Janefairfax!

#70. What is the value of x if

?

Character is who you are when no one is looking.

## #173 2009-01-05 00:01:58

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Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

A: Click here for answer.

## #174 2009-01-05 00:21:21

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Answer to #70:-
Correct, Janefairfax! Keep it up!

#71. What is the value of x if

Character is who you are when no one is looking.

## #175 2009-01-05 00:56:53

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Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?

A: Click here for answer.

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