1 Minute Challenge Test 2 (Number Series, Simplification)

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| By Ashwin
A
Ashwin
Community Contributor
Quizzes Created: 6 | Total Attempts: 713
Questions: 10 | Attempts: 86

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1 Minute Challenge Test 2 (Number Series, Simplification) - Quiz


Questions and Answers
  • 1. 

    241 ÷ 15 * 287.98 ÷ 18.04  = ?2 

    • A.

      26

    • B.

      24

    • C.

      18

    • D.

      14

    • E.

      16

    Correct Answer
    E. 16
    Explanation
    240/15 * 288/18 = 16 * 16

    So ? = 16

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  • 2. 

    ?% of 1049 + 74.99% of 420.12 = 524.98

    • A.

      15

    • B.

      20

    • C.

      10

    • D.

      25

    • E.

      35

    Correct Answer
    B. 20
    Explanation
    ? % of 1050 + 75% of 420 = 525

    ?% of 1050 + 3/4th of 420 = 525

    ?% of 1050 + 315 = 525

    ?% of 1050 = 210

    ? = 20

    For the last step, just check options and confirm.

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  • 3. 

    246.01 + 2953.98 – 449.98 – 302 = ? 

    • A.

      2800

    • B.

      2450

    • C.

      3000

    • D.

      2020

    Correct Answer
    B. 2450
    Explanation
    246.01~246


    2953.98~2954


    449.98~450

    302~302

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  • 4. 

    299.85  - 145.05 + 29.99 * 12.02 = ?

    • A.

      515

    • B.

      395

    • C.

      475

    • D.

      425

    • E.

      575

    Correct Answer
    A. 515
    Explanation
    299.85~300
    145.05~145
    29.99~30
    12.02~12

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  • 5. 

    √325 * 7.99  +  705.97 =?

    • A.

      895

    • B.

      850

    • C.

      750

    • D.

      800

    Correct Answer
    B. 850
    Explanation
    √ 324 * 8 + 706 = 18 * 8 + 706 = 144 + 706 = 850

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  • 6. 

    9, 5, 6, 10.5, 23, ?

    • A.

      78

    • B.

      49

    • C.

      60

    • D.

      97

    Correct Answer
    C. 60
    Explanation
    9*0.5 + 0.5 = 4.5 + 0.5 = 5
    5*1 +1 = 5+1 =6
    6*1.5 + 1.5 = 9+1.5 =10.5
    10.5*2 + 2 = 21+2 = 23
    23*2.5 + 2.5 = 57.5+2.5 = 60.

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  • 7. 

    59, 66, 80, 108, ?, 276

    • A.

      150

    • B.

      164

    • C.

      132

    • D.

      178

    Correct Answer
    B. 164
    Explanation
    59 + 7 = 66
    66 + 14 = 80
    80+ 28 = 108
    108 + 56 = 164

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  • 8. 

    47, 23, 11, 5, 2, ?

    • A.

      0.2

    • B.

      1

    • C.

      0.4

    • D.

      2

    • E.

      0.5

    Correct Answer
    E. 0.5
    Explanation
    47*0.5 - 0.5= 23.5 - 0.5 = 23
    23*0.5 - 0.5 = 11.5 - 0.5 =11
    11*0.5 - 0.5 = 5.5 - 0.5 = 5
    5*0.5 - 0.5 = 2.5 - 0.5 = 2
    2*0.5 - 0.5 = 1 - 0.5 = 0.5

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  • 9. 

    1, 2, 6, 21, 88, ?

    • A.

      539

    • B.

      398

    • C.

      216

    • D.

      445

    • E.

      615

    Correct Answer
    D. 445
    Explanation
    1*1 + 1 = 2
    2*2 + 2 = 6
    6*3 + 3 = 21
    21*4 + 4 = 88
    88*5 + 5 = 445

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  • 10. 

    300, 298, 307, 279, 344, ?

    • A.

      265

    • B.

      218

    • C.

      253

    • D.

      298

    • E.

      289

    Correct Answer
    B. 218
    Explanation
    300 − (1 cube + 1) = 298
    298 + (2 cube+ 1) = 307
    307 − (3 cube + 1) = 279
    279 + (4 cube + 1) = 344
    344 − (5 cube + 1) = 218

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  • Current Version
  • Jun 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 19, 2017
    Quiz Created by
    Ashwin
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