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#6026 2018-07-25 15:38:10

ganesh
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Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4168. The length of the portion of the straight line 10y - 24x = 240 intercepted between the axes 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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#6027 2018-07-26 16:28:35

ganesh
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Posts: 26,170

Re: Oral puzzles

Hi,

#4169. If the graph of the equations  3x + 2y = 18 and 3y - 2x = 1 intersect at the point (p,q), find the value of p + q.


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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#6028 2018-07-27 18:00:20

ganesh
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Posts: 26,170

Re: Oral puzzles

Hi,

#4170. Find the linear equation such that point on its graph has an ordinate four times its abscissa.


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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#6029 2018-07-28 16:50:49

ganesh
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Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4171. Find the equation of the straight line which passes through (4,-5) and is perpendicular to 3x + 4y + 5 = 0?


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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#6030 2018-07-29 16:31:28

ganesh
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Posts: 26,170

Re: Oral puzzles

Hi,

#4172. If the point of intersection of two lines 2x + 3y + 4 = 0 and 4x + 3y + 2 = 0 is at a distance d from the origin, what is the value of d?


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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#6031 2018-07-30 16:31:20

ganesh
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Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4173. Find the point at thich the graph of the equation 4x - 5y = 20 intercepts the x-axis.


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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#6032 2018-07-31 16:51:06

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4174. The graph of the equation 2x + 5y + 30 = 0 intercepts the y-axis at the point ____.


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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#6033 2018-08-01 16:14:32

ganesh
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Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4175. 2x - ky + 7 = 0 and 6x - 12y + 15 = 0 has no solution for what value of k?


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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#6034 2018-08-02 15:54:24

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4176. Find the length of the intercept of the graph of the equation 9x - 12y = 108 between the two axes.


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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#6035 2018-08-03 17:17:21

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4177. For what value of k does 2x - ky + 7 = 0 and 6x - 12y + 15 = 0 has no solution?


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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#6036 2018-08-04 15:53:28

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4178. For what value of k do the straight lines -3x + 5y + 8 = 0 and 6x - 10y + k = 0 has infinite solutions.


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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#6037 2018-08-05 16:51:39

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4179. The triangle formed by the points A(4,3), B(12,3), and C(8,6) will be
(a) scalene.
(b) isosceles.
(c) equilateral.
(d) none of these.


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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#6038 2018-08-06 16:47:01

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4180. The points A(2,5), B(3,7), and C(4,4) are the vertices of a triangle which is
(a) right angled
(b) obtuse angled
(3) equilateral
(d) none of these.


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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#6039 2018-08-07 16:58:58

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4181. Find the area of the triangle ABC where A(2,4), B(0,0), and C(-3,6).


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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#6040 2018-08-08 16:06:18

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4182. Points A(12,7), B(4,1), and C(8,4) are vertices of
(a) right-angled triangle
(b) equilateral triangle
(c) collinear points
(d) none of these.


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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#6041 2018-08-09 16:27:31

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4183. Find the slope of the straight line making an angle 30 degrees with the positive y-axis in clockwise direction.


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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#6042 2018-08-10 16:29:46

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4184.  A box contains 6 red, 4 blue, 2 green, and 3 yellow marbles. If four marbles are picked at random, what is the probability of getting at least one is blue?


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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#6043 2018-08-11 15:00:18

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4185.  A box contains 6 red, 4 blue, 2 green, and 3 yellow marbles. If two marbles are picked at random, what is the probability of both being red?


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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#6044 2018-08-12 15:37:07

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4186. A box contains 6 red, 4 blue, 2 green, and 3 yellow marbles. If three marbles are picked at random, what is the probability of two being blue and one yellow?


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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#6045 2018-08-13 15:19:56

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4187. A box contains 6 red, 4 blue, 2 green, and 3 yellow marbles. If four marbles are picked at random, what is the probability of getting one green, two blue, and one red?


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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#6046 2018-08-14 16:02:54

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4188. A box contains 6 red, 4 blue, 2 green, and 3 yellow marbles. If two marbles is picked at random, what is the probability of either both are green or both yellow?


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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#6047 2018-08-15 14:44:31

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4189. In how many different ways can the letters of the word 'SECOND' be arranged?


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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#6048 2018-08-16 15:46:49

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4190. In how many different ways can the letters of the word 'SIMPLE' be arranged?


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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#6049 2018-08-17 15:37:30

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

#4191. In how many different ways can the letters of the word 'BELIEVE'  be arranged?


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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#6050 2018-08-18 15:21:27

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,170

Re: Oral puzzles

Hi,

.

#4192. In how many different ways can the letters of the word 'VIRTUAL' be arranged among themselves?


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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