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: 25,859

Hi,

The solution #6271 is correct. Excellent, Monox D. I-Fly!

#6272. Find the value of

.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

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,263

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

The solution #6272 is correct. Neat work, Monox D. I-Fly!

#6273. Find the value of

.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

**LearnMathsFree: Videos on various topics.New: Integration Problem | Adding FractionsPopular: Continued Fractions | Metric Spaces | Duality**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

The solution #6273 is correct. Neat work, zetafunc!

#6274. Find the value of

.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

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,263

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

The solution #6274 is correct. Neat work, Monox D. I-Fly!

#6275. Find the value of

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

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,263

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

The solution #6275 is correct. Good work, Monox D. I-Fly!

#6276. Find the value of

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

#6277. Evaluate:

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

.

#6278, What is the approximately 69!?

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

Offline

Hi ganesh,

Could you explain #6278 in a bit more detail?

Thanks,

zetafunc

**LearnMathsFree: Videos on various topics.New: Integration Problem | Adding FractionsPopular: Continued Fractions | Metric Spaces | Duality**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

Certainly, zetafunc!

In haste, I missed a part of the question. By oversight, and also due to receding light. The correct question ought to have been

*What is the approximate value of 69!?*

In other words, how many digits would 69! contain.

.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi zetafunc,

#6279. If in a rectangle, the length is increased and breadth reduced each by 2 units, the area is reduced by 28 square units. If, however the length is reduced by 1 unit and the breadth icreasedby 2 units, the area increases by 33 square units. Find the area of the rectangle.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

#6280. Find the Least Common Multiple (LCM) and Greatest Common Divisor (or Highest Common Factor) of 12, 15, and 21.

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

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,263

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

The solution #6280 (two parts) is correct. Excellent, Monox D. I-Fly!

#6281. Find the Least Common Multiple (LCM) and Greatest Common Divisor (GCD) of

(i) 17, 23, and 29

(ii) 40, 36, and 126

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

#6282. Find the Least Common Multiple (LCM) and Greatest Common Divisor (GCD) of 84, 90, and 120.

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

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,263

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

50% correct! Neat work, Monox D. I-Fly!

#6283. Find the Least Common Multiple (LCM) and Greatest Common Divisor (GCD) of 24, 15, and 36.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

#6284. Find the Least Common Multiple (LCM) and Greatest Common Divisor (GCD) of 8, 9, and 25.

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

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,263

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

The solution #6284 (two parts) is correct. Neat work, Monox D. I-Fly!

#6285. What is the smallest number that, when divided by 35, 56, and 91 leaves remainders of 7 in each case?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,859

Hi,

#6286. Find the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of 90 and 144.

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

Offline

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,263

Offline