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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

Hi,

#6303. If the perimeter of a semi-circular protractor is 36 centimeters, find its diameter.

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

Hi,

#6304. Solve:

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

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#6304. If the numbers x - 2, 4x - 1, and 5x + 2 are in Arithmetic Progression, find the value of x.

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

Hi,

#6305. Find the sum of first five multiples of 3.

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

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**Monox D. I-Fly****Member**- Registered: 2015-12-02
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**ganesh****Administrator**- Registered: 2005-06-28
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Hi,

The solution #6305 is correct. Good work, Monox D. I-Fly!

#6306. Find the roots of the quadratic equation

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**ganesh****Administrator**- Registered: 2005-06-28
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Hi,

#6307. Find the roots of the quadratic equation

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**ganesh****Administrator**- Registered: 2005-06-28
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#6308. If the mean of 6, 7, x, 8, y, 14 is 9, find the value of x + y.

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

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**Monox D. I-Fly****Member**- Registered: 2015-12-02
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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

Hi,

The solution #6308 is correct. Neat work, Monox D. I-Fly!

#6309. Find the discriminant of the following quadratic equations:

(i)

.(ii)

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

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**Monox D. I-Fly****Member**- Registered: 2015-12-02
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**ganesh****Administrator**- Registered: 2005-06-28
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Hi,

The solution #6309 (two parts) is correct. Excellent, Monox D. I-Fly!

#6310. Find the discriminant of the following quadratic equations:

(i)

.(ii)

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

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**ganesh****Administrator**- Registered: 2005-06-28
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Hi,

#6311. Solve:

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

Hi,

.

#6312. Find the discriminant of the quadratic equation:

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**ganesh****Administrator**- Registered: 2005-06-28
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#6313. Solve:

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

Hi,

#6314. Solve:

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

Hi,

.

#6315. Solve:

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**ganesh****Administrator**- Registered: 2005-06-28
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Hi,

.

#6316. Find the value of

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

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**ganesh****Administrator**- Registered: 2005-06-28
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#6317. If 2 is a root of the equation

and the equation has equal roots, then find the value of q.Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#6318. Solve:

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**ganesh****Administrator**- Registered: 2005-06-28
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#6319. A passenger train takes 2 hours less for a journey of 300 kilometers if its speed is increased by 5 kilometers per hour from its usual speed. Find the usual speed of the train.

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

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#6320. Find the value of

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

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**ganesh****Administrator**- Registered: 2005-06-28
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#6321. Solve:

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 23,572

Hi,

.

#6322. A train travels 360 kilometers at a uniform speed. If the speed had been 5 kilometers per hour more, it would have taken 1 hour less for the same journey. Find the speed of the train.

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

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