Page 359 - Start Up Mathematics_8 (Non CCE)
P. 359

(Chapter 1                                                    Sample Test Paper 1
                            to 5)


                                                                                                     Maximum  marks: 25

                     General Instructions
                        1.  All questions are compulsory.
                        2.  The question paper is divided into 5 sections.
                           (i)  Section A contains 5 MCQs of 1 mark each.
                          (ii)  Section B contains 5 True or False of 1 mark each.
                          (iii)  Section C contains 5 Fill in the blanks of 1 mark each.
                          (iv)  Section D contains 5 VSQ (very short questions) of 1 mark each.
                          (v)  Section E contains 2 questions one of 2 marks and the other of 3 marks.
                        3.  The project work given at the end of the paper is to be assessed by the teacher using his/her discretion.



                                                                 Section A
                      1.  Mark the correct alternative in each of the following.                           1 M × 5 = 5 M

                                                                  -2
                         (a)  The absolute value of rational number   5   is:
                                 -2                    2                     -4                    4
                            (A)                    (B)                  (C)                   (D)
                                 5                     5                     25                   25
                                                   2
                                                   3
                         (b)  The value of (2) -5  ¥(64)  is:
                                                        1                                         1
                            (A)  512               (B)                  (C)  16               (D)
                                                       512                                        2
                         (c)  The smallest number that must be subtracted from 176 to make it a perfect square is:
                            (A)  16                (B)  7               (C)  10               (D)  4
                         (d)  The cube of a natural number of the form 3n + 2, when divided by 3 leaves remainder as:
                            (A)  0                 (B)  1               (C)  2                (D)  3
                         (e)  The volume of rectangular box whose length, breadth and height are 4xy , 6x yz and –2x y is:
                                                                                                               2
                                                                                                     2
                                                                                                 2
                            (A)  48x y z           (B)  –48x y z        (C)  –48x y z         (D)  48x y z
                                    4 3
                                                           5 3
                                                                                 5 4
                                                                                                     5 4
                                                                 Section B
                      2.  State True or False:                                                             1 M × 5 = 5 M
                                                   7    -8
                         (a)  The additive inverse of   is   .
                                                   8    7
                                         Ê  - ˆ 2  -3  Ê - ˆ 2  8  Ê  - ˆ 2  5
                         (b)  The value of  Á Ë  9  ˜ ¯  ¥ Á  9  ˜  ¥ Á Ë  9  ˜  is 1.
                                                  Ë
                                                      ¯
                                                              ¯
                         (c)  The sum or difference of two square numbers is a square number.
                         (d)  No perfect cube can end with exactly too zeros.

                             2    3    6             - 1
                         (e)   x +  x -  x  is equal to   . x
                             3    5    5             15
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