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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,987

Hi,

#7508. If A : B = 2 : 3, B : C = 2 : 4, and C : D = 2 : 5, find the ratio A : D.

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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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,811

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: 28,987

Hi,

The solution #7507 is correct. Neat work, Monox D. I-Fly!

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#7509. 40% of a number is equal to three-fourth of another number. What is the ratio of the first number and the second number?

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: 28,987

Hi,

.

#7510. The ratio of the number of boys and that of girls in a school having 504 students is 13 : 11. What will be the new ratio if 3 more girls are admitted?

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: 28,987

Hi,

#7511. If x : y = 7 : 3, 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
- Posts: 28,987

Hi,

.

#7512. If 40 percent of a number is added to another number, then itt becomes 125 percent of itself. What will be the ratio of the first and the second 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: 28,987

Hi,

#7513. What must be added to each term of the ratio 7 : 13 so that the ratio becomes 2 : 3?

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: 1,811

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: 28,987

Hi,

The solution #7513 is correct. Neat work, Monox D. I-Fly!

#7514. When a number is added to a second number, the sum is

of the second number. What is the ratio of the first number and the second number?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: 1,811

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: 28,987

Hi,

.

The solution #7514 is correct. Neat work, Monox D. I-Fly!

#7515. The ratio of the boys and girls in a school is 4 : 6 respectively. If the number of boys is increased by 5, the ratio becomes 5 : 6 respectively. How many girls are there in the school?

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: 28,987

Hi,

#7516. A bag contains $102 in the form of Dollars, 50 cents and 10 cents coins in the ratio 3 : 4 : 10. Find the number of 10 cent coins.

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: 28,987

Hi,

#7517. Two dice are rolled simultaneously. Find the probability of getting a sum greater than 10.

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: 28,987

Hi,

.

#7518. Two dice are rolled simultaneously. Find the probability of getting a sum of 7.

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: 1,811

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,987

Hi,

.

The solution #7518 is correct. Neat work, Monox D. I-Fly!

#7519. Two dice are rolled simultaneously. Find the probability of getting a sum of 6 or 8.

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: 1,811

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,987

Hi,

.

The solution #7519 is perfect. Neat work, Monox D. I-Fly!

#7520. Two dice are rolled simultaneously. Find the probability of getting multiple of 3 on one die & multiple of 4 on the other.

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: 28,987

Hi,

.

#7521. Two dice are rolled simultaneously. Find the probability of getting the sum divisible by 3 or 4.

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: 28,987

Hi,

.

#7522. Two dice are rolled simultaneously. Find the probability of getting a multiple of 3 on one side and multiple of 2 on the other.

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: 28,987

Hi,

.

#7523. Find the unit digit of

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,987

Hi,

#7524. Find the value of

if

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,987

Hi,

.

#7525. Two numbers are in the ratio 4 : 5 and their Least Common Multiple is 180. Find the smaller number.

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: 1,811

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,987

Hi,

The solution is correct. Neat work!

#7526. Find the Greatest common divisor of 1.08, 0.36, and 0.9.

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

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