Page 18 - Start Up Mathematics_5
P. 18

EXERCISE 1.3


              1.  Compare the pair of numbers given below.


                  (a)  25,434       52,434                      (b)  8,33,409       92,489

                   (c)  5,36,785      5,38,785                  (d)  83,42,000        9,02,44,389


                  (e)  13,05,99,318        8,66,92,439          (f)  94,92,085        4,94,93,136

              2.  In an auto expo in Bengaluru, some new cars were showcased.  Their prices are
                  mentioned below.









                           A                           B                       C                      D

                      ` 13,05,382                ` 2,03,45,500           ` 89,32,000            ` 4,45,89,414
                   Compare the prices of the cars.


                  (a)   (i)  Car A      Car C                   (ii)  Car D      Car B


                        (iii)  Car C    Car B                  (iv)  Car D       Car A
                  (b)  Which is the most expensive car?                          __________________________
                   (c)  Which car is least expensive?                            __________________________

                  (d)  Arrange the prices of the cars in descending order.  __________________________

              3.  You are given the following 7 digits. Use them to form the smallest and the largest
                  7-digit numbers. Each digit must be used only once.


                            2            8           1            3           4            5            7

              4.  Write the following numbers.
                  (a)  the largest number of 6 digits having 3 different digits
                  (b)  the greatest 7-digit number having 3 in the hundreds place

                   (c)  the predecessor of 9 lakh
                  (d)  the successor of 99 lakh

              5.  Write in ascending order using symbols.
                  (a)  32,432; 3,22,431; 23,413; 34,341             (b)  40,000; 4,10,001; 14,004; 1,41,004

                   (c)  5,87,431; 6,78,301; 75,43,891; 8,20,091     (d)  3,94,36,888; 3,84,36,888; 3,86,36,888




         10
   13   14   15   16   17   18   19   20   21   22   23