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: 30,536

Hi,

#7752. A pen distributes his pens among four friends A, B, C, and D in the ratio

What is the minimum number of pens that the person should have?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.

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7753. Find c if

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.

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7754. $1740 is divided among A, B, and C such that 0.5 of A = 0.6 of B = 0.75 of C. How much will C get?

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.

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7755. The ratio of the present ages of Richard and Daniel is 2:3. After 5 years, Richard will be 31 years old. What will be the present age of Daniel after three years?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7756. When y is subtracted from the numbers 9, 15, and 27, the remainders are in continued proportion. What is the value of y?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7757. The ratio of two numbers is 5:3 and the difference between their squares is 144. Find the numbers.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7758. If A:B = 1:3, B:C = 5:7, C:D = 9:7, find A:B:C:D.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7759. The average score of a class of boys and girls in an examination is A. The ratio of boys and girls in the class is 3:1. If the average score of the boys is (A + 1), find the average score of the girls.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7760. When

of a number is added to 60, we get the number itself. Find the number.Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7761. A trader gives two successive discounts of 10% and 5% to a dealer. What is the net % change?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7762. Three sets of 40, 50, and 60 students appeased for an examination and the pass percentage was 100, 90, and 80 respectively. Find the pass percentage of the whole set.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7763. A clerk received as annual salary of $3660 in the year 1975. This was 20% more than his salary in 1974. What was is salary in 1974?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7764. If 120 is 20% of a number, then find 120% of that number.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7765. Out of his total income, Karl spends 20% on his house rent, and 70% of the rest on household expenses. If he saves $1800, what is his total income (in $)?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7766. The price of an article is first decreased by 20% and then increased by 30%. If the resulting price is $416, find the original price of the article.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7767. Price of milk has increased by 20%. To keep the expenditure unchanged, the present consumption is to be reduced by how many percent?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7768. The cost on an article worth $100 is increased by 10% first and again increased by 10%. Find the total increase in $.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7769. A's salary is increased by 10% and then decreased by 10%. Find the percentage change in salary.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

.

#7770. A reduction in the price of apples enables a person to purchase 3 apples for 1$ instead of $1.25. What is the percentage of reduction in price?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7771. What value will you obtain if twenty-five percent of 2340 is subtracted from four-ninth of square of 36?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7772. The salary of Alex is 30% more than that of Brian. Find by what percentage is the salary of Brian less than that of Alex?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7773. In an examination, 30% of total students failed in French, 45% failed in English, and 20% failed in both subjects. Find the percentage of those who was successful in both the subjects.

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7774. Mark had a certain amount, he gave 15% of that amount to Antony, 32% to Reginald, 25% to Sam. Three fourth of the remaining amount is $8400. How much did he give Antony?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7775. What will be the approximate value of 26% of 1/15 of the sum of five times of 45 and 2 times of 60?

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

**Online**

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,536

Hi,

#7776. The difference between 20% of a number and four-fifth of the same number is 2499. What is two-seventh of that number?

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

**Online**