Suraj
- Rate $10
- Response 1h
$10/h
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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
- Information Technology
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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
- All Levels
- English
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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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- $10
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- 5h: $50
- 10h: $100
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- $10/h
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