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ICSE Class 9 Answered

What is the correct way of doing this ques.?
Asked by Pankaj | 22 Jun, 2016, 03:29: PM
answered-by-expert Expert Answer
begin mathsize 12px style It space is space better space to space solve space this space question space step space wise. space The space number space is space given space to space be space straight x. The space number space is space divided space by space 15 space and space then space by space 16 rightwards double arrow fraction numerator begin display style straight x over 15 end style over denominator 16 end fraction equals fraction numerator straight x over denominator 15 cross times 16 end fraction Then space multiplied space by space 30 rightwards double arrow fraction numerator straight x over denominator 15 cross times 16 end fraction cross times 30 equals straight x over 8 Take space away space the space number space first space thought space of space and space straight I space get space minus 7. So space the space equation space is space straight x over 8 minus straight x equals negative 7 On space solving space we space get space fraction numerator negative 7 straight x over denominator 8 end fraction equals negative 7 rightwards double arrow straight x equals 8. So comma space the space number space thought space of space was space 8. end style
Answered by Rebecca Fernandes | 22 Jun, 2016, 04:05: PM
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ICSE 9 - Maths
Sum of two numbers is 10. One of them is 5, find the other?
Asked by revulavanyaau | 05 Jul, 2019, 05:05: PM
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ICSE 9 - Maths
2x - 3y = 7  5x + y =9
Asked by aashnaconstructions | 29 Jun, 2019, 11:07: AM
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ICSE 9 - Maths
2x +5y =4, 3x +7y =5 
Asked by baldeepkaur046 | 28 Jun, 2019, 07:52: PM
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ICSE 9 - Maths
3 books and 2 pen₹30 4 books and 1 pen₹ 90 Find the cost of each
Asked by devalakshmis2017 | 28 Jun, 2019, 07:23: PM
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ICSE 9 - Maths
A fraction is such that if both the numerator and denominator are increased by unity the fraction becomes 1/2. ,  and if the numerator is doubled and the denominator increased by 2, the fraction becomes 4/5. . Find the fraction
Asked by Jainkarishma76 | 05 Jun, 2019, 11:56: AM
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ICSE 9 - Maths
Find the value of mn if m+n=8 and m-n=2
Asked by prabhattiwari0421 | 25 May, 2019, 05:06: PM
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