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                                                       Chapter assessment

                1.  Tick () correct option.


                    (a)  If a number is multiplied by 500, what is the minimum number of zeros the
                        product will have?

                              (i ) 0               (ii ) 1                  (iii ) 2                 (iv) 3

                    (b)  Mr Kohli withdrew some money from the ATM. He got 15 notes of `500 and

                        20 notes of `200. How much money did he withdraw?

                              (i ) `11,000         (ii ) `11,500            (iii ) `12,500           (iv) `12,000

                    (c)  Multiplication of  two  numbers is shown.  Two  of  the                 tth th H t O

                        digits are hidden by the letters A and B. Which digits                          2   3 0 7
                        will replace A and B?                                                ×                      A

                              (i ) 1, 5                                      (ii ) 5, 3           1     1   5 B 5

                             (iii ) 8, 3                                    (iv) 6, 3


                    (d)  The product of 25, 140 and 54 is not the same as

                              (i ) (25 × 54) × 140                           (ii ) 140 × 54 × 5 x 5

                             (iii ) 25 × 8 × 20 × 54                        (iv) 5 x 5 × 6 × 9 × 7 × 20


                    (e)  A labourer earns `300 daily. How much money will he earn in 5 months and

                        5 days? (1 month = 30 days)

                              (i ) `40000          (ii ) `50000             (iii ) `46500            (iv) `45000

                2.  Three trucks are carrying  50  sacks of wheat  each to the  local  granary. If each
                    sack weighs 65 kg, find the total weight of the wheat being transported.

                3.  A  printing  press can  print 985 books in  a day. If it  prints the  same number  of

                    books every day, calculate the  total  number of books that were printed in  the

                    month of March.

                4.  A toy train costs `350 while a teddy bear costs `250. Find the total amount to
                    be paid by Aman if he bought 7 toy trains and 7 teddy bears.

                5.  A train  is  running  at a speed  of 252  km per  hour.  How much  distance will  it

                    cover in 15 hours?




              Mathematics-4                                                                                          67
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