जैव प्रौद्योगिकी-सिद्धांत व प्रक्रम | Class12 NCERT जीव विज्ञान | 2 PM Class By Priyanka Ma'am |L7|

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am

जीव विज्ञान |परिचय जैव प्रक्रम|7 मुख्य जैव प्रक्रम|पोषण |पोषण की विधीया |परपोषण के प्रकार |OMR

NEET 2020 - Revision In 60 Days | NCERT Class 12 Principle of Inheritance and Variation Part -2 | NEET Biology

NEET 2020 - Revision In 60 Days | NCERT Class 12 Molecular Basis of Inheritance Part -2 | NEET Biology

Class 12 Maths | Chapter 7 | Integrals | Important Questions | Quick Revision| Part 2

Previous Class Revision|NCERT प्रश्नावली 7.5 का हल भाग-2|सारांश

NEET 2020 - Revision In 30 Days | NCERT Class 12 Chapter 2 Sexual Reproduction In Flowering Plants | NEET Biology Revision

Ravi is 7 ranks ahead of sumit in a class of 39. If Sumit's rank is seventeenth from the last, what is Ravi's rank from the start? 1) 14th 2) 15th 3) 16th 4) 17th 5) None of these

CH. 14 STATISTICS Q1 Class 0-8 8-16 16-24 24-32 32-40 Frequency 10 12 26 9 15 e mean of above data by: () Direct method () Assumed mean method (ii) Step deviati iop metod. Q2 The following distribution shows the daily pocket allowance of children of a locali ty. The mean pocket allowance is Rs 20. Find the missing frequency Daily Pocket 0-20 20-40 40-60 0-80 80-100 No. Of Children 7 10 9 13 Q3. The following table shows age distribution of persons in a particular region. Find the: (0) mean age (i)modal age (ili) median age Age? Below!0 Below20 Below30 Below 40, Below 50 Belo No, persons ? 250 190 100 40 15 4 Arithmetic mean of the following frequency distribution is 50. Find the missing frequencies C.I. ? 0-20 20-40 40-60 60-80 80-100 Tota