Basic HTML Version

|  | Table of Contents |  | View Full Version

Page 16 - CT&AI_CLasa_7_Part_1
P. 16

    The longest  National  Highway  is NH  27,  which is approximately  3,600  km
                                       long, while the shortest National Highway is NH 66, which is just 6 km long.
                                       Approximately how many NH 66 would equal the length of NH 27?

                                             (a)  500                               (b)  600

                                             (c)  700                               (d)  800

                      cbse handbook questions
                      Tick ( ) the correct option.

                      1.  Sam  forms  two  different  6-digit  numbers,
                                                                                    (a)    ≤ 6
                         X and Y, using  digits  from 0 to  9 (without
                         repetition within a number). Exactly two digits            (b)    ≤ 4
                         are common between X and Y.

                            • The digit 9 appears in the same position in           (c)    ≤ 5
                            both numbers
                                                                                    (d)    ≤ 9
                            • Y ends with 0, has only one even digit, and
                            its digits are arranged in descending order
                                                                          3.  The following  are the clues  to  the  6-digit
                            • 6 is present in X, and the number of even      password of Nisha’s laptop:
                            digits on its left is equal to the number of      35 tens
                            even digits on its right                         31 thousands

                         If X is the largest possible number, what is the      25 ones
                         difference between X and Y?                         423 hundreds
                                                                             14 ten thousands
                               (a)  9310
                                                                              What is Nisha’s password?
                               (b)  9210
                                                                                    (a)  213625

                               (c)  8420                                            (b)  203675

                               (d)  8310                                            (c)  212375

                      2.  If each of the rows follows the same theme,
                                                                                    (d)  213675
                         what will come in place of “?”
                                                                          4.  Two  five-digits  numbers are formed using
                          1    8    2     >  1     8  2         ≤ 7
                                                                             different  digits  from 0 to  9. Both  numbers
                               3  5    7  <   3  5      7       ≤ 3
                                                                             have some digits missing, as shown below:
                             9  6   3     >   9 6       3       ≤ 2
                                                                                 • Number 1:    1    9
                               5 0  6     <   5    6  0       ?                  • Number 2:    4     6

                     14        Computational Thinking-7 (Mathematics)

| 11 12 13 14 15 16 17 18 19 20 21 |