Suraj
- Rate US$10
- Response 1h
US$10/hr
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- Mathematics
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Btech graduate ,concepts at ur fingertips,maths - I'm an IIT student and I teach maths and physics at primary school and secondary school level in Pune
- Mathematics
- Physics
- Arithmetic
- Computing
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About Suraj
The cost of an article (which is composed of raw materials and wages) was 3 times the value of the raw materials used. The cost of raw materials in- creased in the ratio 3:7 and wages increased in the ratio 4:9. Find the present cost of the article if its original cost was 18.
(a) 41 (c) 40
(b)
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About the lesson
- Compulsory School
- Secondary School
- Higher Education
- +6
levels :
Compulsory School
Secondary School
Higher Education
Adult Education
Master
Doctorate
Other
MBA
Pre-School
- English
All languages in which the lesson is available :
English
In a co-educational school there are 15 more girls than boys. If the number of girls is increased by 10% and the number of boys is also increased by 16%, there would be 9 more girls than boys. What is the number of students in the school?
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Rates
Rate
- US$10
Pack prices
- 5h: US$50
- 10h: US$100
online
- US$10/h
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