01 Chemical Thermodynemics || introduction and Terminology||Chap 06 for 11th ,12th , IIT JEE, NEET

(i) The sum of n terms of two arithmetic series are in the ratio of (7n+1)/(4n+27) . Find the ratio of their 11 th terms. (ii) The sum of n terms of arithmetic progressions are in the ratio (3n+8):(7n+15) . Find the ratio of their 12 th terms.

Pancreas Hormone Tricks and Mnemonics | NEET 2020 | 12th Boards

In a row of 21 girls, when Monika was shifted by four places towards the right, she became 12th from the left end. What was her earlier position from the right end of the row? 1) 9th 2) 10tth 3) 11th 4) 12th 5) 14th

Meeta correctly remembers that her father's birthday is after 8th July but before 12th July. Her brother correctly remembers that their father's birthday is after 10th July but before 15th July. On which day of July was definitely their father's birthday ? 1) 10th 2) 11th 3) 10th or 11th 4) Can't be determined 5) None of these

Taxonomic classification system mnemonics | animal kingdom Classification short tricks | NEET 2020 | 12th Boards

A batsman has some average runs of 11 innings. In the 12th innings he makes 90 runs and his average Decreases. His average in the 12th innings is- 120 145

The average of 24 numbers is 65. The average of first 11 numbers is 67 and the average of last 10 numbers is 70. If the 12th number is 13 less than the 13th number and the 14th number is one more than the 13th number, then the average of 12th and 14th number is: 24 संख्याओं का औसत 65 है | पहली 11 संख्याओं का औसत 67 है तथा अंतिम 10 संख्याओं का औसत 70 है| यदि 12वीं संख्या 13वीं संख्या से 13 कम है तथा 14वीं संख्या 13वीं संख्या से एक अधिक है, तो 12वीं और 14वीं संख्या का औसत ज्ञात करें |