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: 26,822

Hi,

The solution #6416 is correct. Excellent, Monox D. I-Fly!

#6417. The height of a right triangle is 7 centimeters less than its base. If the hypotenuse is 13 centimeters, form a quadratic equation to find the base of the triangle.

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: 1,333

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: 26,822

Hi,

The solution #6417 is correct. Keep it up, Monox D. I-Fly!

#6418. 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.

Offline

**Mathegocart****Member**- Registered: 2012-04-29
- Posts: 1,965

The integral of hope is reality.

May bobbym have a wonderful time in the pearly gates of heaven.

He will be sorely missed.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

The solution #6418 (two values) is correct. Neat work, Mathegocart!

#6419. A girl is twice as old as her sister. Four years hence, the product of their ages (in years) will be 160. Find their present ages.

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: 26,822

Hi,

#6420. What is the least number must be subtracted from 1672 to obtain a number which is divisible by 17?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6421. Simplify:

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6422. What least number must be added to 2010 to obtain a number which is divisible by 19?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

.

#6423. On dividing 12401 by a certain number, we get 76 as quotient and 13 as remainder. What is the divisor?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

.

#6424. Find the unit's digit in the product

.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: 1,333

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: 26,822

Hi,

The solution #6424 is correct. Neat work, Monox D. I-Fly!

#6425. Find the Unit's digit in

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6426. How many Natural Numbers between 17 and 80 are divisible by 6?

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: 1,333

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: 26,822

Hi,

The solution #6426 is correct. Neat work, Monox D. I-Fly!

#6427. Find the Unit's digit in

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6428. Find the Unit's digit in

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6429. Find the unit's digit in

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

.

#6430. Find the difference between the place value and the face value of 6 in the numeral 856973.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6431. Give the difference between the place values of two sevens in the numeral 69758472.

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: 1,333

*Last edited by Monox D. I-Fly (2018-03-22 14:27:54)*

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6432. Without actual multiplication, find the value of 1396 x 1396.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6433. Find the Unit's digit in

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: 1,333

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi Monox D. I-Fly,

Very Good attempt!

#6434. Find the total number of prime factors in the product

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 26,822

Hi,

#6435. Find the least value of M for which 7M5462 is divisible by 9.

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

Offline