Maths4all

Question for practice  The following questions are more helpful for  class tenth  students for all boards. Que sti ons 7.    The median class of a frequency distribution 120 - 140. The frequency and the cumulative  frequency of the class preceding the median class are 20 and 22 respectively. Find the sum of the frequencies, if the median of the above data is 127.   Links for the previous questions  and for   more   ...                                                                Submit your answer here in the comments  or  wait for answer Read this :  No Burden Seems Heavy for  more  ...

Question for practice  The following questions are more helpful for  class tenth  students for all boards. Que sti ons 9.    The average score of boys in an examination of the school is 71 and that of girls is 73. The average score of the school in that examination is 71.8. Find the ratio of the number of boys to the number of girls that appeared in the examination. Links for the previous questions  and for   more   ...                                                                Submit your answer here in the comments  or  wait for answer Read this :  No Burden Seems Heavy for  more  ...

Question for practice  The following questions are more helpful for  class tenth  students for all boards. Que sti ons 6.  A school has four sections of class X having 40, 35, 45 and 42 students. The mean marks obtained in mathematics test are 50, 45, 40 and 30 respectively for four sections. Determine the overall average of marks per student.   Links for the previous questions  and for   more   ...                                                                Submit your answer here in the comments  or  wait for answer Read this :  No Burden Seems Heavy for  more  ...

Question for practice  The following questions are more helpful for  class tenth  students for all boards. Que sti ons 5.  The average weight of A, B, C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, find the weight of B. Links for the previous questions  and for   more   ...                                                                Submit your answer here in the comments  or  wait for answer Read this :  No Burden Seems Heavy for  more  ...

Question for practice  The following questions are more helpful for  class tenth  and class ninth students for all boards. Que sti ons 4.  The mean of the numbers 6, 10, x, 11, 12, y is 10 and x - y = - 7, find  the values of x and y. Links for the previous questions  and for   more   ...                                                                Submit your answer here in the comments  or  wait for answer Read this :  No Burden Seems Heavy for  more  ...

Question for practice  The following questions are more helpful for  class tenth  and  class ninth  students  for all boards. Que sti ons 3.  Naina has marks of 75, 82 and  90 in three mathematics tests. How many  marks must she obtain in the next test to have  an average of exactly 85 for the four math  tests? Links for the previous questions  and for   more   ...                                                                Submit your answer here in the comments  or  wait for answer Read this :  No Burden Seems Heavy for  more  ...

Question for practice  The following questions are more helpful for  class tenth  students for all boards. Que sti ons 2.  The mean of 20 numbers is  18. If 3 is added to each of the first ten  numbers, find the mean of the new set of  20  numbers. Links for the previous questions  and for   more   ...                                                                Submit your answer here in the comments  or  wait for answer Read this :  No Burden Seems Heavy for  more  ...