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19.
  1. Area      =   length ´ width


  2. 6x - 3    =    2x - 1 ´ width
    width     =    6x - 3
                

    Ans : C

  3. Extend AB to meet EC at G



  4. Ð BGE = b                              [alternate angle]
    Ð BGC = 180 - b                    [linear pair]
    Ð GBC = 180 - a                    [linear pair]
    Ð BGC + Ð GBC + Ð BCG     =    180
                180 - b + 180 - a + c     =    180
                        a + b - c

    Ans : B

  5.       a     =    first term


  6.              =    14 - 8
                 =     6
          tn    =    a + (n - 1) d

    where n  =   9, d   =  common difference    =    8
             t9  =     6 + (9 - 1) ´ 8
                  =    6 + 8 ´ 8
                  =    70

    Ans : A

  1. If triangles are similar


  2. Ratio of Areas = Square of Ratio of sides/ altitudes

                     A(DDEF)   =    16 ´ 8

                                       =   128

    Ans : D

  3. The distance between base of mountain & sea - level


  4.        = (2200 - 1500) - 250
           = 700 - 250
           = 450

    Ans : B

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Index

Test 4
Section 1 : Verbal Reasoning
Section 2 : Mathematical Reasoning
Section 3 : Verbal Reasoning
Section 4 : Mathematical Reasoning
Section 5 : Reading Comprehension
Section 6 : Mathematical Reasoning
Section 7 : Verbal Reasoning
Answer Key To Test 1

Answer Explanation To Test 4
Section 1 : Verbal Reasoning
Section 2 : Mathematical Reasoning
Section 3 : Verbal Reasoning
Section 4 : Mathematical Reasoning
Section 5 : Reading Comprehension
Section 6 : Mathematical Reasoning
Section 7 : Verbal Reasoning

Part I

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