Sankhya paddhati | संख्या पद्धति - L7 | Class 9 Ganit | Chapter1 | Doubtnut | Amit Sir

Between two railway station the ratio of fare of 1^(st) and 2^(nd) class was 10:7 and later on the fare is increased in the ratio 3 : 4 and 5: 9 respectively. If the ratio of no. of passengers of both tier is 3 : 5 and total fare is Rs 30900 then find the total fare of 2^(nd) tier.

NEET 2020 - Revision In 60 Days | NCERT Class 11 Chapter 7 Structural Organisation of Animals Part -1 | NEET Biology

The proportion of the number of students in three classes is 1 : 2 : 3. If 20 students are included in each class, then the proportion becomes 3 : 5 : 7. What was initially the total number of students in the three classes? तीन कक्षाओं में छात्रों की संख्या का अनुपात 1 : 2 : 3 है | यदि प्रत्येक कक्षा में 20 छात्र शामिल कर लिए जाते हैं, तो यह अनुपात 3 : 5: 7 हो जाता है | इन तीन कक्षाओं में आरंभ में कितने छात्र थे?

Ratio of the fares of First ,Second and Third class catogory of a train , between two stations is 10:7:2 and the ratio of passenger travelling in these category is 4:9:17 respectively .If the fare is increased by 1/4 in First class , 1/8 in second class and decreased by 10% i Third Class and the ratio of number of passenger in the category remains same .If the total amount received of Rs. 60590 , then find the total amount received from thrid class category .

Class 12 Physics | Chapter 7 Alternating Current | Important Questions and Quick Revision Part-1

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If between 1and 1/31 there are n H.M.M.l'sand ratio of 7th and (n-1) th harmonic means is 9: 5.then value of n is

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Class 12 Biology | Chapter 9 | Strategies for Enhancement of Food Production | Important Questions and Quick Revision Part 1