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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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