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    cbse handbook questions

                      Tick ( ) the correct option.
                      1.  5A,  5B,  and  C9  are 2-digit  numbers,  where     4.  Each letter in Set 1 corresponds to exactly one
                         A, B, and C represent one of the digits of the      different number from Set 2 (in any order).
                         respective numbers, and A + B + C = 15. Find        Set 1: A, B, C, P, Q, R
                         the MAXIMUM possible value of 3B + 4C + 8 if:       Set 2: 1, 2, 4, 5, 7, 9
                         5A > 5B >C9                                         The following conditions are given:
                                                                                • A and C are consecutive numbers, with A
                               (a)  43              (b)  39                     > C
                                                                                • P + Q = R, with P > Q
                               (c)  31              (d)  36
                                                                                • B is greater than both A and C
                      2.  If the sum of the ages of Shubham and Shivam        Using this information, find the value of:
                         is 36. What would be the sum of their ages          (4P + 3B)(2P + 3C) + (2A - 3B)
                         after 36 years?
                                                                                    (a)  9              (b)  13
                               (a)  108             (b)  136
                                                                                    (c)  15             (d)  11
                               (b)  72              (d)  96               5.  It  is  given  that  x means  ‘greater  than’,  $
                      3.  3 whole numbers A, B, and C, satisfy the given     means ‘equal to’, < means ‘not less than’, A
                         conditions. At maximum, how many different          means ‘less than’ and + means ‘not greater
                         possible values can C have?                         than’. Which of the following options has the
                                                                             same meaning as the given expression?
                         A > B > C and A + B = 10
                                                                             a x b A c
                               (a)  4               (b)  5
                                                                                    (a)  a $ c A b      (b)  b < a x c
                               (c)  3               (d)  2                          (c)  c x b A a      (d)  c + b < a

                                                                  Answers

                                                    1. (b)   2. (a)   3. (a)    4. (d)   5. (c)

                                                                                   Expressions using Letter-Numbers   25

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