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              \\February 16, 2024 2:22 PM   Surender Prajapati   Proof 5   Reader _________________________   Date: ___________________74








                                                         Chapter assessment
                1.  Choose the correct option:

                    (a)  In 17.0852, the digit 5 is in the _____ place.

                         (i) tenths            (ii)  hundredths        (iii)  thousandths     (iv)  tens
                    (b)  Which one of the following is the equivalent decimals of 24.5?
                         (i) 24.50             (ii)  2.45              (iii)  0.245           (iv)  245

                    (c)  On a scale, the readings between 1.1 cm and 1.2 cm are divided into 100 divisions.
                        Which one of the following lengths can be measured with this scale?

                         (i)  1.023 cm         (ii)  1.123 cm          (iii)  1.1456 cm       (iv)  1.235 cm
                    (d)  I  think  of  a decimal number. After I  have  subtracted 2.9 from  it,  then
                        multiplied the difference by 3 and then added 0.15, I get 10.5 as a result.
                        What is the decimal number?

                         (i)  4.5              (ii)  15.66             (iii)  20.1            (iv)  6.35
                2.  Ammu needs 23 litres of milk in her canteen each day. She got 15.250 litres of milk
                    in the morning and 3.045 litres in the evening. How much more milk does she need
                    to get in the evening to fulfil her requirement of milk in the canteen?
                3.  Mixed fruit  jam is made by using  2.75  kg of  grapes,  1.45  kg of  apples  and  3 kg of
                    sugar. If 0.6  kg of jam is  put  in  one bottle,  then  how many bottles  are required to
                    store all the jam?                                              CompetenCy-Based Question

                4.  One of the digits of the quantity of a liquid chemical in Bottle A is missing.
                    The quantity reads 35.4 _ 5 mL. You have Bottle B of capacity 35.5 mL. Will
                    you be able to transfer the entire liquid chemical into Bottle B? Give reason
                    to justify your answer.
                5.  In the decimal magic square, the rows, columns and diagonals all add up to                      1.2
                    same decimal number. Complete the square by filling in the missing decimal                   1.1
                    numbers.                                                                                  1.0   1.4
                6.  At the time of birth the weight of the baby elephant was 278.88 kg. In the first year,
                    the  weight was  increased  by 68.45  kg, whereas in  the  second year, the  weight was
                    reduced by 23.05 kg. What was the weight of the elephant by the end of the second
                    year?                                                           CompetenCy-Based Question

                7.  Sameer scored 345 marks out of 500, whereas his brother Gaurav scored 600 marks
                    out of 1000. Convert the marks into decimals and find out who performed better in
                    exam.
                8.  Shrishti wants to take care of her health; so, she decided to buy a digital watch to track
                    the number of steps taken and distance covered by her. She noted that in the morning,
                    she covered 4.350 km and by the end of the day, the total distance covered was 10.04
                    km. How much more distance did she cover during the day than that was covered in
                    the morning walk?                                               CompetenCy-Based Question


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