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# Ask a Mathematics(Class IX-X Tuition) Question

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Divya 13/10/2016 in  Mathematics(Class IX-X Tuition)

A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, how many apples he had?

Ramarao replied | 22 Jan

Hi Divya,
As 40% of the apples are over, it means 60% of them are remaining.
So,
60 -------> 420
40 -------> X
now do the cross multiplication, so
60*X = 40*420 (here star* is multiplication)
from the above equation:
X = (40*420) / 60
= 280 (so these are the 40% apples )
so total no. of apples = 40% + 60%
...  more»
Hi Divya,
As 40% of the apples are over, it means 60% of them are remaining.
So,
60 -------> 420
40 -------> X
now do the cross multiplication, so
60*X = 40*420 (here star* is multiplication)
from the above equation:
X = (40*420) / 60
= 280 (so these are the 40% apples )
so total no. of apples = 40% + 60%
= 280 + 420
= 700
hope you you got it.
thank you «less

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R

Robin 13/10/2016 in  Mathematics(Class IX-X Tuition)

A train running at the speed of 50 km/hr crosses a pole in 7 seconds. What is the length of the train?

Deepika replied | 05/12/2016

Distance = speed x time, here distance is just the length of train. Converting 50 km/h to m/s = 50 x 5/18 = 13.8889 m/s. Length of train = 13.8889 x 7 = 97.22 meters.

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Dhruv 13/10/2016 in  Mathematics(Class IX-X Tuition)

How much time will it take for an amount of Rs. 460 to yield Rs. 91 as interest at 4.5% per annum of simple interest?

Abhishek replied | 10/12/2016

53 months 28 days.

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S

Srinitha 13/10/2016 in  Mathematics(Class IX-X Tuition)

What was the day of the week on 11th May, 2006?

Rajendran replied | 02/12/2016

11th May 2006 is Wednesday

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K

Kamal 13/10/2016 in  Mathematics(Class IX-X Tuition)

A train 150 m long passes a man, running at 4 km/hr in the same direction in which the train is going, in 15 seconds. What is the speed of the Train?

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S

Sarath 13/10/2016 in  Mathematics(Class IX-X Tuition)

The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 4.6 m away from the wall. What is the length of the ladder?

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P

Prashant 13/10/2016 in  Mathematics(Class IX-X Tuition)

A sum of money at simple interest amounts to Rs. 850 in 3 years and to Rs. 869 in 4 years. What is the Sum amount?

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Rawinder 13/10/2016 in  Mathematics(Class IX-X Tuition)

A sum fetched a total simple interest of Rs. 6016.25 at the rate of 8 p.c.p.a. in 4 years. What is the sum?

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A

Abhishek 13/10/2016 in  Mathematics(Class IX-X Tuition)

The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then what is the value of x ?

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K

Krishnat 13/10/2016 in  Mathematics(Class IX-X Tuition)

If the selling price is doubled, the profit triples. What is the profit percent?

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N

Nayana 13/10/2016 in  Mathematics(Class IX-X Tuition)

A vendor bought toffees at 4 for a rupee. How many for a rupee must he sell to gain 10%?

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K

Keerthi 13/10/2016 in  Mathematics(Class IX-X Tuition)

What percentage of numbers from 1 to 70 have 1 or 7 in the unit's digit?

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Jitender 13/10/2016 in  Mathematics(Class IX-X Tuition)

It was Monday on Jan 2, 2006. What was the day of the week Jan 2, 2011?

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Deepika 13/10/2016 in  Mathematics(Class IX-X Tuition)

The average of 15 numbers is zero. Of them, at the most, how many may be greater than zero?

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S.ataurehman 23/08/2016 in  Mathematics(Class IX-X Tuition), Mathematics(Class I-V Tuition), Engineering Mathematics (M1)(BTech Tuition)

Ranganath replied | 17/12/2016

after registering as a tutor, buy coins and start responding to ads posted by parents

K

Kotha Sai Lakshmi Nikhila replied | 20/12/2016

Register in UrbanPro and you can get students.

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Allauddin 17/07/2016 in  Western Dance Classes, Mathematics(Class IX-X Tuition)

Sikha replied | 11/09/2016

Now you create new account as a teacher.

Prasanth Kumar replied | 21/09/2016

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Shivarama B 27/06/2016 in  Mathematics(Class IX-X Tuition)

Sudhanshu replied | 29/08/2016

It depends on the location.
If you are in metropolitan cities like Delhi, Bangalore , Chennai and many more then suitable charges are rs300/hour for 10 grade and 200/hour for 6 grade. But for these charges u should have at least 3+ year experience and good skills and teaching methodology.
I hope u will understand well.
Thnx
Regards
Shudhanshu

Rajendran replied | 01/10/2016

If the class is at my home, then the fees is Rs. 1000/ per month.

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Nishant 20/06/2016 in  Mathematics(Class IX-X Tuition)

Rajendran replied | 06/10/2016

Rs. 300/- per hour

Meenakshi replied | 31/10/2016

Rs 250/- hour

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Anjaneyulu 18/06/2016 in  Mathematics(Class IX-X Tuition)

how to make a profile for joining as tutor?

Prasanth Kumar replied | 12/07/2016

Just visit http://www.urbanpro.com and Sign Up as a new tutor by providing necessary details

Anugandula replied | 16/07/2016

first creare a/c of urbanpro next buy the coins

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Satyam 07/06/2016 in  Mathematics(Class IX-X Tuition)

how to make a square root spiral for irrational no.s in a sheet

Schoolpage replied | 22/06/2016

ow to create a spiral of sequential square roots:
1) Construct an isosceles right triangle ABC with side 1 inch. (You can use the corner of an index card to make sure you are constructing a perfect right angle.) The hypotenuse AC will then by equal to the square root of 2.

2) Construct line at point C perpendicular to segment AC. Construct segment CD on this new...  more»
ow to create a spiral of sequential square roots:
1) Construct an isosceles right triangle ABC with side 1 inch. (You can use the corner of an index card to make sure you are constructing a perfect right angle.) The hypotenuse AC will then by equal to the square root of 2.

2) Construct line at point C perpendicular to segment AC. Construct segment CD on this new line, equal in length to segment AB. Construct segment CD on this new line, equal in length to segment AB. Connect points A and C. Construct a line at C perpendicular to AC. Construct segment CD equal in length to segment AB or BC. Then construct segment AD. AD will then be equal to the square root of 3 (use the Pythagorean Theorem to calculate this length).You now have 2 right triangles, with one leg of the second triangle formed by the hypotenuse of the first triangle. You now have two right triangles, as shown below:

3) Construct a line at C perpendicular to AC. Construct segment CD equal in length to segment AB or BC. Then construct segment AD. AD will then be equal to the square root of 3 (use the Pythagorean Theorem to calculate this length). Construct a line at D perpendicular to AD. Construct segment CD equal in length to segment AB or BC. Then construct segment AD. AD will then be equal to the square root of 3 (use the Pythagorean Theorem to calculate this length).You now have two right triangles, as shown below:

4) Continue this process until you have 11 right triangles as shown below. If you have used a compass and straightedge, trace the segments onto a clean sheet of paper, without the construction marks.

4) Use your imagination and create a picture out of this spiral that shows something you may see that has a spiral shape in nature – a shell, a snake, the profile of a human head…think big!
You must turn in both the calculations on the POW sheet, your work to create the spiral, and the clean, imagined spiral.

• Include a title for your picture.
• On the front of your picture, include your signature and the date.
• Label all triangle legs and hypotenuses with appropriate lengths.
• Conjoin each new right triangle with the hypotenuse of the previous right triangle.
• Make sure your project is neat.
• Use color unless you mean to emphasize contrast by using black and white.
• Write your labels using radicals unless they can be simplified to rational numbers. For example, you might label a hypotenuse 9 = 3.
• Connect all of your hypotenuses to the same central point.
• Attach the POW paper to your art containing your calculations to find lengths of segments (using the Pythagorean theorem) for your first 8 triangles. «less

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Ram 25/05/2016 in  Mathematics(Class IX-X Tuition)

I want to teach Mathematics to 10th Class Students

Shefali replied | 26/06/2016

Ram it's good then what is worrying you? Urban products can generate leads for you,you can do mouth publicity. First prepare yourself in detail regarding the subject and then deliver. Fees can be around Rs. 700 to 1000. If any further questions pls ask in detail.

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Aamir 17/05/2016 in  Mathematics(Class IX-X Tuition)

Which tuition is better, online or offline?

Shefali replied | 26/06/2016

Depending upon how much you are comfortable with technology you can choose mode of teaching. If well versed with technology, online is better option coz we can get paid well but if not start with offline and move ahead with online. Personally I would always opt for offline for personal touch to students.

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Abdul 12/05/2016 in  Mathematics(Class IX-X Tuition)

DO TEACHERS CHARGE FOR ONLINE TEACHING

Shefali replied | 26/06/2016

Yes. You pay for their services towards teaching. Even rates would vary.

Prasanth Kumar replied | 15/10/2016

Yes.we charge fee depending on the time period for which a student needs our guidance

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U.K. 01/05/2016 in  Mathematics(Class IX-X Tuition)

what is the least remainder when 17 power 30 is divided by 5

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Ashutosh replied | 06/05/2016

the unit digit of 17^30 is 9. hence the remainder is 4.

Navin replied | 17/05/2016

The answer to this question is very simple. its 4.
Unit digit for 17^n, will be 7,9,3,1,7,9,3,1... so on. As you see it is getting same numbers after certain period, so if n=30, the unit digit will be 9.
And remainder after dividing the value by 5 will be "4". :) :)

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Avinash 20/04/2016 in  Mathematics(Class IX-X Tuition)

Meenakshi replied | 03/11/2016

If d (common difference) is same for different values of n , then

the given list of numbers form an AP .

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Sourabh replied | 04/11/2016