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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,847

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.

#4516. Evaluate:

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: 30,847

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#4517. What amount a man would have received on a principal of $4000 after two years simple interest at 5% per annum?

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: 30,847

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#4518. Find the greatest number among

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: 30,847

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#4519. Find 93% of 456.

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: 30,847

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#4520. A and B can do a work in 12 days; B and C in 15 days; and C and A is 20 days. If A, B, and C work together, they will do it in how many days?

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: 30,847

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#4521. The measures of two angles of a triangle is in the ratio 4 : 5. If the sum of these two measures is equal to the measure of the third angle, find the smallest angle.

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
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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.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,847

Hi,

.

The solution #4521 is correct. Neat work, Monox D. I-Fly!

#4522. The sum of 8 consecutive odd numbers is 656. Also, average of four consecutive even numbers is 87. What this the smallest odd number and second even number?

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: 30,847

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#4523. Find the value of

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000

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.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,847

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.

The solution #4523 is correct. Excellent, Monox D. I-Fly!

#4524. The end points of a line segment AB are A(-5 4), and B(7, -8). Find its midpoint.

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000

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.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,847

Hi,

.

The solution #4524 is correct. Neat work, Monox D. I-Fly!

#4525. If x + y = 12 and xy = 27, find the value of

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000

May his adventurous soul rest in peace at heaven.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,847

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.

The solution #4525 is correct. Splendid, Monox D. I-Fly!

#4526. If the cost price of 16 pens is equal to the selling price of 12 pens, then find the gain or loss percent.

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: 30,847

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#4257. The average of 8 men is increased by 2 years. When two of them whose ages are 21 years and 23 years respectively replaced by two new men. Find the average age of the two men.

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: 30,847

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#4258. The ratio of weekly incomes of A and B is 9 : 7 and the ratio of their expenditures is 4 : 3.If each saves $200 per week, find the sum of their weekly incomes.

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: 30,847

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#4259. If the annual rate of simple interest increases from 10% to 12.5%, a man's yearly income increases by $1250. Find his principal.

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: 30,847

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#4260. A shopkeeper sells an article at a lost of 12.5%. Had he sold the article for $51.80 more, he would have earned a profit of 6%. Find the Cost Price of the article.

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: 30,847

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#4261. A truck covers a distance of 640 kilometers in 10 hours. If a car covers the same distance in 8 hours, what is the respective ratio of the speed of the truck and the car?

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000

May his adventurous soul rest in peace at heaven.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,847

Hi,

The solution #4261 is correct. Neat work, Monox D. I-Fly!

#4262. 'A' is twice as good a workman as 'B', and together, they can finish a piece of work in 14 days. Find the number of days taken by 'A' alone to finish the work.

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: 30,847

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#4263. A copper wire is bent in the form of a square with an area of 121 square centimeters. If the same wire is bent in the form of a circle, then find the radius of the circle in centimeters. Use

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000

May his adventurous soul rest in peace at heaven.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,847

Hi,

.

The solution #4263 is correct. Neat work, Monox D. I-Fly!

#4264. Two trains 140 meters and 160 meters long are running at the speeds of 60 kilometers per hour and 40 kilometers per hour respectively in opposite directions on parallel tracks. Find the time taken (in seconds) when they cross each other.

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

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