NCERT 2022| रेशो से वस्त्र तक -L5 | From fiber to fabric | CLASS 7 विज्ञान | 8 AM Class by Akash Sir

There are 5 students in class 10, 6 students in class 11 and 8 students in class 12. If the number of ways, in which 10 students can be selected from them so as to include at least 2 students from each class and at most 5 students from the total 11 students of class 10 and 11 is 100 k, then k is equal to _______.

Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. What is Keshav's rank in a class of 50 ? I. Amit, ranking 18th in the class from the top, is 7 ranks below Vivek, who is 5 ranks above Keshav: II. Saurav, the 10th from the bottom, is 20 ranks below Suresh, who is 5 ranks below Keshav.

The number of boys and girls in a class are in the ratio 7:5. The number of boys is 8 more than the number of girls.What is the total class strength?

Consider a class of 5 girls and 7 boys. The number of different teams consisting of 2 girls and 3 boys that can be formed from this class, if there are two specific boys A and B, who refuse to be the members of the same team, is

Consider a class of 5 girls and 7 boys. The number of different teams consisting of 2 girls and 3 boys that can be formed from this class, if there are two specific boys A and B, who refuse to be the members of the same team, is

In a class Vidya ranks 7th from the top, Divya is 7 ranks ahead of Medha and 3 ranks behind Vidya. Sushama, who is 4th from the bottom, is 32 ranks behind Medha. How many students are there in the class? 1) 52 2) 49 3) 50 4) 51 5) None of these

X is 7th from the top while Y is 16th from the bottom in the class ranking. If they interchange their positions, then X becomes 21st from the top. What will be the position of Y from the bottom? X शीर्ष से 7 वें स्थान पर है जबकि Y कक्षा रैंकिंग में नीचे से 16 वें स्थान पर है। यदि वे अपनी स्थिति को बदलते हैं, तो X शीर्ष से 21 वें स्थान पर आ जाता है। नीचे से Y की स्थिति क्या होगी?

Akash ranks eighth from the top and thirty from the bottom in a class. How many students are there in the class? 1) 35 2) 37 3) 39 4) 34 5) None of these