1 Minute Challenge Test 2 (Number Series, Simplification)

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| By Ashwin

Ashwin

Community Contributor

Quizzes Created: 6 | Total Attempts: 655

Questions: 10 | Attempts: 75 | Updated: Jun 21, 2023

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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

1 Minute Challenge Test 2 (Number Series, Simplification)

241 ÷ 15 * 287.98 ÷ 18.04 = ?2

?% of 1049 + 74.99% of 420.12 = 524.98

246.01 + 2953.98 – 449.98 – 302 = ?

299.85 - 145.05 + 29.99 * 12.02 = ?

√325 * 7.99 + 705.97 =?

9, 5, 6, 10.5, 23, ?

59, 66, 80, 108, ?, 276

47, 23, 11, 5, 2, ?

1, 2, 6, 21, 88, ?

300, 298, 307, 279, 344, ?

241 ÷ 15 * 287.98 ÷ 18.04 = ?²