Simplifications Test-2 (Previous Year Question)

Approved & Edited by ProProfs Editorial Team

The editorial team at ProProfs Quizzes consists of a select group of subject experts, trivia writers, and quiz masters who have authored over 10,000 quizzes taken by more than 100 million users. This team includes our in-house seasoned quiz moderators and subject matter experts. Our editorial experts, spread across the world, are rigorously trained using our comprehensive guidelines to ensure that you receive the highest quality quizzes.

Learn about Our Editorial Process

| By Ashwin

Ashwin

Community Contributor

Quizzes Created: 6 | Total Attempts: 655

Questions: 10 | Attempts: 114 | Updated: Mar 15, 2023

Questions

Settings

Create your own Quiz

Share on Facebook Share on Twitter Share on Whatsapp Share on Pinterest Share on Email Copy to Clipboard Embed on your website

Questions and Answers

1.

90.05 + 281 ÷ 4 -151.06 = 3√?
- A.
  
  27
- B.
  
  343
- C.
  
  729
- D.
  
  8
Correct Answer
C. 729

Explanation
We can approximate this as 90 + 280/4 - 151

Apply BODMAS rule,

90 + 70 - 151 = 3√?
9 = 3√?
? = 9*9*9 = 729

Rate this question:
2.

17.98²+ 4.05 * 90.11 ÷ 4.98 =?
- A.
  
  396
- B.
  
  336
- C.
  
  423
- D.
  
  342
Correct Answer
A. 396

Explanation
This can be approximated as 18 square + 4 * 90 / 5
Apply BODMAS, we get,

324 + 4 * 18 = 324 + 72 = 396

Rate this question:
3.

80.04% of 150.16 + 60.02% of 50.07 = ?
- A.
  
  150
- B.
  
  125
- C.
  
  210
- D.
  
  213
Correct Answer
A. 150

Explanation
This can be approximated as 80% of 150 + 60% of 50

80% of 150 = 8*15 = 120
60% of 50 = 6*5 = 30

So 120 + 30 = 150

(Kindly refer Speed Math practice sheets to master percentages calculations)

Rate this question:
4.

√628 * 17.996 ÷ 15.04 = ?
- A.
  
  30
- B.
  
  10
- C.
  
  5
- D.
  
  20
- E.
  
  25
Correct Answer
A. 30

Explanation
We can approximate the same as √625 *18 / 15 = 25 * 6/5 = 25 * 1.2 = 30

Rate this question:
5.

1/8 * 121 + 1/5 * 76 - ? =25
- A.
  
  65
- B.
  
  45
- C.
  
  15
- D.
  
  35
- E.
  
  5
Correct Answer
E. 5

Explanation
We can approximate this as 1/8 * 120 + 1/5 * 75 - ? = 25

15 + 15 - ? = 25

30 - ? = 25

? = 5

Rate this question:
6.

1599 ÷ 39.99 + 4/5 * 2449 - 120.5 = ?
- A.
  
  1780
- B.
  
  1880
- C.
  
  1680
- D.
  
  1940
Correct Answer
B. 1880

Explanation
We can approximate this as 1600 ÷ 40 + 4/5 * 2450 - 120

40 + 1960 - 120 = 1880

Rate this question:
7.

1576 ÷ 45.02 + 23.99 * √255 =?
- A.
  
  420
- B.
  
  380
- C.
  
  460
- D.
  
  340
Correct Answer
A. 420

Explanation
This can be approximated as 1576 ÷ 45 + 24 * √256

= 35 + 24 * 16 = 420 (Approx)

Rate this question:
8.

?+ 30.01% of 651 ÷ 25.05% of 59.98 = 135
- A.
  
  68
- B.
  
  122
- C.
  
  78
- D.
  
  128.5
- E.
  
  140
Correct Answer
B. 122

Explanation
This can be approximated as ? + 30% of 650 ÷ 25% of 60 = 135

? + 195 / 15 = 135

? = 122

Rate this question:
9.

3899 ÷ 11.99 - 2379 ÷ 13.97=?
- A.
  
  155
- B.
  
  135
- C.
  
  250
- D.
  
  125
Correct Answer
A. 155

Explanation
This can be approximated as 3900 / 12 - 2380 / 14 = 325 - 170 = 155

Rate this question:
10.

Here is an interesting question for you. 7 + 7 ÷ 7 + 7 * 7 - 7 =?
- A.
  
  44
- B.
  
  50
- C.
  
  7
- D.
  
  0
Correct Answer
B. 50

Explanation
Apply BODMAS,

7 + 1 + 49 - 7 = 50

Rate this question:

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Mar 15, 2023

Quiz Edited by
ProProfs Editorial Team
Aug 17, 2017

Quiz Created by
Ashwin

Simplifications Test-2 (Previous Year Question)

90.05 + 281 ÷ 4 -151.06 = 3√?

17.982 + 4.05 * 90.11 ÷ 4.98 =?

80.04% of 150.16 + 60.02% of 50.07 = ?

√628 * 17.996 ÷ 15.04 = ?

1/8 * 121 + 1/5 * 76 - ? =25

1599 ÷ 39.99 + 4/5 * 2449 - 120.5 = ?

1576 ÷ 45.02 + 23.99 * √255 =?

?+ 30.01% of 651 ÷ 25.05% of 59.98 = 135

3899 ÷ 11.99 - 2379 ÷ 13.97=?

Here is an interesting question for you. 7 + 7 ÷ 7 + 7 * 7 - 7 =?

17.98²+ 4.05 * 90.11 ÷ 4.98 =?