Ratio and Proportion | Lesson-5(Boys and Girls) | Quantitative Aptitude

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Homework:
1. In a school having roll strength 286, the ratio of boys and girls is 8 : 5. If 22 more girls get admitted into the school, the ratio of boys and girls becomes
Ans:4:3

2.The student in three classes are in the ratio 2:3:5. If 20 students are increased in each class, the ratio changes to 4:5:7. Originally, how many students were there?
Ans:100

3.The ratio of number of boys to the number of girls in a school of 432 pupils is 5 : 4. When some new boys and girls are admitted, the number of boys increase by 12 and the ratio of the boys to girls Changes to 7 : 6. The number of new girls admitted is
Ans:24

[FeelFreetoLearn]

Dear Friends,
I forgot to add a home question at the end of the video. So, I've added it to the description page so kindly solve those questions after watching Lesson-5.
Thank you,
Happy learning!

[jitupalkalita]

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[suryadon]

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[priyakshreeneog]

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[AritraSadhukhan-wh]

In q2 they asking difference of boys and girls is: ; so isn't we have to consider the ratio as 7:11 (as some of them have left and now present ratio is 7:11) ?

[mohammedjaveed]

Very clarity on this chapter with your teaching sir thank you ☺️

[primeacademy]

Sir I have one doubt in question 4.
I think answer will be 450 after subtracting the 50 from 500

[uyyjuygfdegg]

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[positivevibes]

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[sasankh]

thank you so much, from the bottom of my heart.. never thought i could understand ratios and proportions this easily..love from andhra. this video is very helpful for me. thank you

[gayetridas]

I really am very much thankful to you thank you ☺️

[shobakumari]

Sir thanks for the session. One doubt sir, can we use this method for different numbers(16x-10x=120). I got the same ans. But I don't know whether it is right method or not. Pls clarify this sir.

[RamuVedulla-hb]

Sir your classes is very understandable .pls explain from the topic on AGES

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[VIVEKNITINSAIREDDYKOLLI]

Thank you very much sir because of you my brain start thinking of solving complex sums

[ShubhamKumar-onkz]

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[vedantsuryawanshi]

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[TheCharannani]

14:13- we can take 10x+120=16x and we get x as 20