19
6. If the sum of a certain number of terms of the A.P. 25, 22, 19, … is 116. Find the last term.
27
Oct
6. If the sum of a certain number of terms of the A.P. 25, 22, 19, … is 116. Find the last term. -22 … is 116. Find the last term. 19 6. If the sum of a certain number of terms of the A.P. 25 October 27, 2021 Category: Chapter 9 - Sequences and [...]
93. The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14, 16, 15, 11, 15, 14, 13, 16, 8, 10, 7, 11, 18, 15, 14, 19, 20, 7, 10, 13, 12, 14, 15, 13, 16, 17, 14, 11, 10, 20. Prepare a frequency distribution table for the above data using class intervals of equal width in which one class interval is 4 –8 (excluding 8 and including 4).
12
Jul
93. The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14, 16, 15, 11, 15, 14, 13, 16, 8, 10, 7, 11, 18, 15, 14, 19, 20, 7, 10, 13, 12, 14, 15, 13, 16, 17, 14, 11, 10, 20. Prepare a frequency distribution table for [...]
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14 ,
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17 ,
18 ,
19 ,
20 ,
20. Prepare a frequency distribution table for the above data using class intervals of equal width in which one class interval is 4 –8 (excluding 8 and including 4). ,
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93. The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14 ,
Example 2 : The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25.
09
Jul
Example 2 : The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25. -12 10 –15 etc. Find [...]
24. Mode of the data 15, 14, 19, 20, 14, 15, 16, 14, 15, 18, 14, 19, 15, 17, 15 is
03
Jul
24. Mode of the data 15, 14, 19, 20, 14, 15, 16, 14, 15, 18, 14, 19, 15, 17, 15 is 14 15 15 is 16 … 17 18 19 20 24. Mode of the data 15 July 3, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class [...]
2. The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is
03
Jul
2. The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is -12 -22 10 11 15 16 … 17 18 19 2. The range of the data : 25 20 20 is 3^2 30 6 8 July 3, 2021 Category: Chapter 14 [...]
2. There are 6 marbles in a box with numbers from 1 to 6 marked on each of them. (1) What is the probability of drawing a marble with number 2? (i) What is the probability of drawing a marble with number 5?
08
Oct
2. There are 6 marbles in a box with numbers from 1 to 6 marked on each of them. (1) What is the probability of drawing a marble with number 2? (i) What is the probability of drawing a marble with number 5? -12 14 16 … 19 Find the mode and median of the [...]
1. Tell whether the following is certain to happen, impossible, can happen but not certain. (1) You are older today than yesterday. (11) A tossed coin will land heads up. (111) A die when tossed shall land up with 8 on top. (IV) The next traffic light seen will be green. (v)Tomorrow will be a cloudy day.
08
Oct
1. Tell whether the following is certain to happen, impossible, can happen but not certain. (1) You are older today than yesterday. (11) A tossed coin will land heads up. (111) A die when tossed shall land up with 8 on top. (IV) The next traffic light seen will be green. (v)Tomorrow will be a [...]
6. Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter (Table 3.1). Plot a double bar graph using the data and answer the following: (iv) Name the city which has the least difference between its minimum and the maximum temperature.
08
Oct
6. Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter (Table 3.1). Plot a double bar graph using the data and answer the following: (iv) Name the city which has the least difference between its minimum and the maximum temperature. -12 14 16 … [...]
6. Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter (Table 3.1). Plot a double bar graph using the data and answer the following: (iii) Name two cities where maximum temperature of one was less than the minimum temperature of the other.
08
Oct
6. Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter (Table 3.1). Plot a double bar graph using the data and answer the following: (iii) Name two cities where maximum temperature of one was less than the minimum temperature of the other. -12 14 [...]
6. Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter (Table 3.1). Plot a double bar graph using the data and answer the following: (ii) Which is the hottest city and which is the coldest city?
08
Oct
6. Take the data giving the minimum and the maximum temperature of various cities given in the beginning of this Chapter (Table 3.1). Plot a double bar graph using the data and answer the following: (ii) Which is the hottest city and which is the coldest city? -12 14 16 … 19 Find the mode [...]