Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

.

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

.

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

.

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

.

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

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?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

.

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

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

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,750

Hi,

.

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

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

Offline