Imporatant question

CLASS-IX CHAPTER-STATISTICS Total Marks: 30 Total Time: 45 mins 1.    The marks obtained by 17 students in a mathematics test (out of 100) are given below:         48, 66, 68, 49, 91, 72, 64, 46, 90, 79, 76, 82, 65, 96, 100, 82, 100         Find the range of the data. (1 mark) 2.    The class-mark of the class 130 – 150 is: (1 mark) 3.    Calculate the median of : 152, 155, 160, 144, 145, 148, 147, 149, 150 (2 mark) 4.    What is the median of 70, 40, 50, 100, 75, 75, 65 and 95? (3 mark) 5.    Form a frequency table for the following: (3 mark) 6.    If the mean of 8, 5, 2, x, 6, 5 is 6, then find the value of x. (3 mark) 7.    If the mean of the following data is 18.75, find the value of p: (3 mark) 7.    The mean of 40 numbe...

        SUBJECT ENRICHEMENT QUESTION CLASS: VI (CHAPTER-DECIMAL)   Answer the questions                                                                  DATE: 3-12-2019 (1) At a construction site, there are 16.5 loads of bricks and the total weight of all the loads together is 399.3 kg. Find the weight of one load? (2) A corner shop sells 166.32 liters of fizzy drinks on Thursday and 18.98 liters more than this quantity on Friday. In total, how many liters of fizzy drinks did they sell? (3) Pranav drove 53.8341 km to visit his grandmother. When he reached his grandmother's house he noticed that the car had used up 3....

ENRICHEMENT QUESTION: VIII 1.    Simplify: –45p 3  ÷ 9p 2 2.    Simplify: 4x 2 y 2 (3z – 24), 36xy(z – 8) 3.    Divide: 81x 3 (50x 2  – 98) by 27x 2  (5x + 7) 4.    Which of the following is the remainder when z(5z 2  – 80) is divided by 5z(z – 4):            (a) z + 4           (b) Z – 4           (c) 5           (d) 0 5.    Which of the following is the quotient when 44(x 4  – 5x 3  – 24x 2 ) is divided by 22x(x – 8):         (a) X(x + 3)          (b) 2x(x + 3)          (c) 2(x – 3)          (d) x(x – 3) 6.  ...

                                        Extra Question For Practice class-VI Check Whether the following are in proportion or not. 9:27::8:24 24:48::50:75 16:24::20:60 Rafique exercised for/6 of an hour.ram exercised for 3/4 of an hour who exercised more and by how much. Fill in the blanks- lowest form of 175/500=----- kg 5 g written as---- 2 hundredths 5 tenths 6 ones written as------ Write the whole number up to 19 .What fraction of it is prime number. Draw number line and represent the points/7,-6/7,10/7,-1/7. Add the following 123.5+12.35+1.235+0.1235 23.5+5+23.5 Solve:4/5+3/10-7/15. Expressed the following as mixed fraction.