Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

- Index
- » Exercises
- »
**Percentage**

Pages: **1**

**Zeeshan 01****Member**- Registered: 2016-07-22
- Posts: 689

Question 1 : Two numbers are respectfully 20% and 50% more than a third , what percentage is the first to the second?

Question 2: If Ali salary is 35% more than that of Hashim , How much percent is Hashim salary less than that of Ali?

Question 3: If Maryam's salary is 25% less than that of Fatima, then how much percent is Fatima's salary more than that of Maryam?

Question 4: After deduction 20% from a certain sum, and then 30% from the remainder , there is 3500 left. Find the original sum?

MZk

Offline

**bob bundy****Administrator**- Registered: 2010-06-20
- Posts: 8,386

In these call one amount x and construct an equation from that.

E.g.. Q2 let Hashim be x

Then Ali = 1.35x

percentage less = difference / Ali x 100 = 0.35/1.35 x 100

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Offline

**Zeeshan 01****Member**- Registered: 2016-07-22
- Posts: 689

how difference is 0.35??

MZk

Offline

**Zeeshan 01****Member**- Registered: 2016-07-22
- Posts: 689

Explain this formula..

MZk

Offline

**bob bundy****Administrator**- Registered: 2010-06-20
- Posts: 8,386

difference is 1.35x - x = 0.35x

So difference over reference pay = 0.35x / 1.35x = 0.35/1.35

Then times by 100 to get a percentage. Sorry I used x again instead of 'times' for the multiply.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Offline

**Zeeshan 01****Member**- Registered: 2016-07-22
- Posts: 689

Ali 1.35x??

MZk

Offline

**Zeeshan 01****Member**- Registered: 2016-07-22
- Posts: 689

Ali salary must be 0.35x

MZk

Offline

**bob bundy****Administrator**- Registered: 2010-06-20
- Posts: 8,386

If Ali salary is 35% more than that of Hashim

So Ali's salary is bigger than Hashim's.

If Hashim earns $100 the Ali earns $100 + 35/100 times 100 = $135.

If Hashim earns x then Ali earns x + 35/100 times x = x + 0.35x = 1.35x

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Offline

**Zeeshan 01****Member**- Registered: 2016-07-22
- Posts: 689

This topic is given in math is fun web site?

MZk

Offline

**bob bundy****Administrator**- Registered: 2010-06-20
- Posts: 8,386

hi Zeeshan 01

There's lots on percentages here:

https://www.mathsisfun.com/numbers/perc … hange.html

and there are links to other useful pages.

I have looked at all the questions. But you have got to learn how to do them so I'm not going to give you answers to them all.

I suggested a method that would work for them all. Call one of the amounts x.

eg. Q1

Call the third amount x.

Then the first is 1.20x and the second is 1.50x.

Now you can work out the answer. Here, like the one I showed before, the 'x' cancels out of the final answer.

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Offline

**Sresta702****Member**- Registered: 2018-09-07
- Posts: 1

Ans what ??

Offline

**bob bundy****Administrator**- Registered: 2010-06-20
- Posts: 8,386

hi Sresta702

Welcome to the forum.

Which ans? I like to encourage posters to work things out for themselves.

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Offline

Pages: **1**

- Index
- » Exercises
- »
**Percentage**