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    E:\Working\Focus_Learning\Math_Genius_2_(09-10-2023)\Open_Files\Chap_09
                   \ 26-Feb-2024  Bharat Arora   Proof-5                                    Reader’s Sign _______________________ Date __________

                     www
                          MAths connect

                      A  doctor gives a bottle of cough  syrup  of 100  mL to  Soni  and
                      advises her to take 5 mL medicine thrice a day for five days.
                      1.   How much medicine will Soni take in
                          (a) 1 day? _____ (b) 5 days? _____
                      2.  How much medicine will be left after 5 days? _____
                      3.   Suppose Soni forgot the doctor’s advice and  took  10 mL medicine
                          twice a day. How much medicine would be left after 3 days? _____

                           Practice Time 9F

                  1.  Add the following.

                        (a)                      (b)                     (c)                      (d)       L      mL

                                4 3 L                        5 6 L                3 7 6 mL                 2    2 8 3
                             +  3 7 L                 +      4 5 L             +  2 6 8 mL              +  2    1 9 7

                  2.  Subtract the following.

                        (a)                      (b)                     (c)                      (d)       L      mL

                                2 6 L                     7 0 mL                  3 8 0 mL                 3    8 0 0
                             –  1 8 L                 –   1 9 mL               –  2 6 5 mL              –  1    5 4 6

                  3.  Solve the following story problems. One has been done for you.

                       (a) Mohan bought 20 L of milk on Monday and 25 L on Tuesday.                            2 5 L

                            In which day did he buy more milk and by how much?                              –  2 0 L
                            Answer: Mohan bought 5 L of milk more on Tuesday.                                      5 L

                       (b) A tetra pack of kesar-badam milk holds 300 mL. Another
                            tetra pack holds 500 mL. How much kesar-badam milk is in

                            both the tetra packs?

                              Answer: _____________________

                       (c)  The fuel tank of a car has 12 L of petrol. To fill the tank
                            completely, 8 L more petrol was filled in it. What is the

                            capacity of the fuel tank of the car?

                            Answer: _____________________

                  Mathematics-2                                                                                         167

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