Number series Quiz 1

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Number series Quiz 1

 

Number series

 

 

  • 5, 25, 7,______, 9, 19
  • 23
  • 22
  • 25
  • 32
  • None of The Above

 

 

2)  62, 64,______, 32, 14,16

 

  • 26
  • 28
  • 30
  • 32
  • None of The Above

 

 

3)  100, 50, 52, 26, 28,______

 

  • 30
  • 32
  • 14
  • 16
  • None of The Above

 

 

4)  980, 392, 156.8,______, 25.088, 10.0352

 

  • 62.72
  • 63.85
  • 65.04
  • 60.28
  • None of The Above

 

 

5)  113, 225, 449,_____, 1793

 

  • 789
  • 786
  • 897
  • 987
  • None of The Above

 

 

6)  5, 9, 21, 37, 81,_____

 

  • 163
  • 153
  • 181
  • 203
  • None of The Above

 

 

7)   2, 10, 30, 68,______

 

  • 126
  • 130
  • 140
  • 150
  • None of The Above

 

 

8)  45, 46, 70, 141,_______, 1061.5

 

  • 353
  • 353.5
  • 352.5
  • 352
  • None of The Above

 

 

9)  33, 321, 465, 537, 573_______

 

  • 600
  • 591
  • 585
  • 498
  • None of The Above

 

 

10) 2, 9,_______, 105, 436, 2195

 

  • 25
  • 27
  • 30
  • 33
  • None of The Above

 

 Answer key

 

1.B 2.C 3. C 4.A 5.C
6.B 7.B 8.B 9.B 10.C

 

SOLUTIONS

 

  1. (B) 5, 25, 7,______, 9, 19

                5+2=7; 7+2=9

               25-3= 22 (ans)

 

  1. C. 62, 64,______, 32, 14,16

     62-2/2= 30 (ans)

      64/2 =32

 

  1. C. 100, 50, 52, 26, 28,______

   100/2=50

52/2=26

28/2=14 (ans)

 

4 .A.   980, 392, 156.8,______, 25.088, 10.0352

980*⅖=392

156.8*⅖=62.72(ans)

 

5.C 113, 225, 449,_____, 1793

113*2-1=225

225*2-1=449

449*2-1=897(ans)

 

6.B  5, 9, 21, 37, 81,_____

5*2-1=981*2-1=153(ans)

7.B  2, 10, 30, 68,______
1^3+1=2

3^3+2=10

5^3+5=130(ans)

 

8.B   45, 46, 70, 141,_______, 1061.5

45*1+1=46

46*⅔+1=70

141*5/2+1=353.5(ans)

 

9.B  33, 321, 465, 537, 573_______

33+288=321

321+144=465

573+18=591(ans)

 

10.C  2, 9,_______, 105, 436, 2195

2*1+(1*7)=9

9*2+(2*6)=30(ans)

 

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