Part 02 उत्पत्ति के प्रमाण Evidence of Evolution, 12th Biology

उत्पत्ति के सिद्धांत (Theory Of Evolution)|OMR|Summary

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The given bar graph represents the pass percentage of the 10th and 12th classes of a school during the consecutive four year period 2016-19. दिया गया दंड आरेख 2016-19 की अवधि में चार लगातार वर्षों के दौरान एक स्कूल की 10वीं और 12वीं कक्षाओं की उत्तीर्णता प्रतिशत को प्रदर्शित करता है। What is the average of the pass percentage of the 10th class for all four years? सभी चार वर्षों के लिए 10वीं कक्षा की उत्तीर्णता प्रतिशत का औसत कया है?

100 ml of Na_(2)S_(2)O_(3) solution is divided into two equal two parts A and B . A part requires 12.5 ml of 0.2 M I_(2) solution (acidic medium) and part B is diluted x times and 50 ml of diluted solution requires 5 ml of 0.8 M I_(2) solution in basic medium. What is value of x ?

Median of a distribution is the value of the variable which divides it into equal parts . In case of individual observations x_1,x_2 .. x_n , if the number of observations is odd, then median is the value of ((n+1)/2) th observation when the observations have been arranged in ascending or descending order of magnitude. In case of even number of observations median is the A.M. of the values of (n/2) th and (n/2+1) th observations, arranged in ascending or descending order of magnitude . The mode of distribution is that value of the variable for which the frequency is maximum . Median of the distribution 25,20,11,3,12,18,17 ,9,21,22 is

Median of a distribution is the value of the variable which divides it into equal parts . In case of individual observations x_1,x_2 .. x_n , if the number of observations is odd, then median is the value of ((n+1)/2) th observation when the observations have been arranged in ascending or descending order of magnitude. In case of even number of observations median is the A.M. of the values of (n/2) th and (n/2+1) th observations, arranged in ascending or descending order of magnitude . The mode of distribution is that value of the variable for which the frequency is maximum . The mode of following series is {:("value (x)",40,44,48,52,56,62,64,72,76),("frequency (f)",10,12,14,20,15,19,18,8,4):}

UP बोर्ड 2020 | कक्षा 12th गणित के लिए महत्वपूर्ण प्रश्न | Most Important Questions | Class 12