Arithmetic Aptitude for Competitive Exam Success

Arithmetic Aptitude

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Q. A student needs to score at least 75% to pass an exam. If the exam is out of 800 marks, what is the minimum number of marks he needs to pass?

A. 600
B. 550
C. 650
D. 700

Solution

Minimum marks to pass = 75% of 800 = 0.75 * 800 = 600.

Correct Answer: A — 600

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Q. A student received 75% marks in an exam. If the total marks were 800, how many marks did he score?

A. 600
B. 650
C. 700
D. 750

Solution

Marks scored = (75/100) * 800 = 600.

Correct Answer: A — 600

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Q. A student received a score of 90 out of 120. What is the percentage score?

A. 75%
B. 80%
C. 85%
D. 70%

Solution

Percentage score = (90 / 120) * 100 = 75%.

Correct Answer: B — 80%

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Q. A student scored 45 marks out of 60 in a test. What is the percentage score of the student?

A. 70%
B. 75%
C. 80%
D. 85%

Solution

Percentage score = (45/60)*100 = 75%.

Correct Answer: B — 75%

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Q. A student scored 75% in his first exam and 85% in his second exam. If the first exam was out of 400 marks and the second out of 600 marks, what is his overall percentage?

A. 80%
B. 82%
C. 84%
D. 86%

Solution

Marks in first exam = 75% of 400 = 300. Marks in second exam = 85% of 600 = 510. Total marks = 300 + 510 = 810. Total maximum marks = 400 + 600 = 1000. Overall percentage = (810/1000) * 100 = 81%.

Correct Answer: C — 84%

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Q. A student scored 75% in Mathematics and 85% in Science. If both subjects are equally weighted, what is the average percentage score?

A. 75%
B. 80%
C. 82.5%
D. 85%

Solution

Average percentage = (75 + 85) / 2 = 160 / 2 = 80%.

Correct Answer: C — 82.5%

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Q. A student scored 75% in Mathematics and 85% in Science. If both subjects are of equal weight, what is the average percentage score?

A. 75%
B. 80%
C. 82.5%
D. 85%

Solution

Average percentage = (75 + 85) / 2 = 160 / 2 = 80%.

Correct Answer: C — 82.5%

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Q. A student scored 75% in Mathematics and 85% in Science. If the total marks in both subjects are 200, what is the total score of the student?

A. 150
B. 160
C. 170
D. 180

Solution

Total marks in Mathematics = 75% of 100 = 75. Total marks in Science = 85% of 100 = 85. Total score = 75 + 85 = 160.

Correct Answer: B — 160

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Q. A student scored 75% in Mathematics and 85% in Science. If the total marks in each subject are 200, what is the total percentage?

A. 80%
B. 82%
C. 83%
D. 85%

Solution

Total marks obtained = (0.75 * 200) + (0.85 * 200) = 150 + 170 = 320. Total percentage = (320 / 400) * 100 = 80%.

Correct Answer: B — 82%

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Q. A student scored 80 marks out of 100 in a test. What is his percentage score?

A. 70%
B. 80%
C. 90%
D. 100%

Solution

Percentage = (80/100) * 100 = 80%

Correct Answer: B — 80%

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Q. A student scored 80 marks out of 100 in a test. What is the percentage of marks scored?

A. 70%
B. 80%
C. 90%
D. 60%

Solution

Percentage = (80/100) * 100 = 80%

Correct Answer: B — 80%

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Q. A student scored 80 marks out of 100 in Mathematics. What is the percentage of marks scored?

A. 70%
B. 80%
C. 90%
D. 60%

Solution

Percentage = (80/100) * 100 = 80%

Correct Answer: B — 80%

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Q. A student scored 80% in a test and got 40 questions correct. How many questions were on the test?

A. 50
B. 60
C. 70
D. 80

Solution

Let total questions be x. 80% of x = 40. So, x = 40 / (80/100) = 50.

Correct Answer: B — 60

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Q. A student scored 80% in a test. If the total marks are 200, how many marks did the student score?

A. 160
B. 180
C. 150
D. 140

Solution

80% of 200 = (80/100) * 200 = 160.

Correct Answer: A — 160

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Q. A student scored 80% in Mathematics and 70% in Science. If the maximum marks for each subject are 200, what is the total percentage of marks obtained by the student?

A. 75%
B. 76%
C. 77%
D. 78%

Solution

Total marks obtained = (80/100)*200 + (70/100)*200 = 160 + 140 = 300. Total maximum marks = 200 + 200 = 400. Percentage = (300/400)*100 = 75%.

Correct Answer: B — 76%

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Q. A student scored 80% in Mathematics and 70% in Science. If the maximum marks for each subject are 100, what is the percentage of marks obtained by the student in both subjects combined?

A. 75%
B. 76%
C. 77%
D. 78%

Solution

Total marks obtained = 80 + 70 = 150. Total maximum marks = 200. Percentage = (150/200) * 100 = 75%.

Correct Answer: B — 76%

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Q. A student scored 80% in Mathematics and 70% in Science. If the maximum marks for each subject are 100, what is the total percentage of marks obtained by the student?

A. 75%
B. 78%
C. 70%
D. 80%

Solution

Total marks obtained = 80 + 70 = 150. Total maximum marks = 200. Percentage = (150/200) * 100 = 75%.

Correct Answer: A — 75%

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Q. A student scored 80% in Mathematics and 70% in Science. If the total marks in each subject are 200, what is the total percentage of marks obtained?

A. 75%
B. 76%
C. 77%
D. 78%

Solution

Marks in Mathematics = 0.8 * 200 = 160. Marks in Science = 0.7 * 200 = 140. Total marks = 160 + 140 = 300. Total percentage = (300 / 400) * 100 = 75%.

Correct Answer: B — 76%

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Q. A student scored 80% in Mathematics and 70% in Science. If the total marks in each subject are 100, what is the average percentage score?

A. 75%
B. 76%
C. 77%
D. 78%

Solution

Average percentage = (80 + 70) / 2 = 150 / 2 = 75%.

Correct Answer: B — 76%

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Q. A student scored 80% in Mathematics and 70% in Science. If the weightage of Mathematics is 60% and Science is 40%, what is the overall percentage?

A. 76%
B. 78%
C. 80%
D. 74%

Solution

Overall percentage = (80% × 0.6) + (70% × 0.4) = 48% + 28% = 76%.

Correct Answer: B — 78%

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Q. A student scored 80% on a test with 50 questions. How many questions did he answer correctly?

A. 40
B. 45
C. 35
D. 50

Solution

80% of 50 = (80/100) * 50 = 40 questions.

Correct Answer: A — 40

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Q. A student scored 80, 85, 90, and 95 in four subjects. What is the average score?

A. 85
B. 90
C. 88
D. 87

Solution

Average = (80 + 85 + 90 + 95) / 4 = 350 / 4 = 87.5.

Correct Answer: C — 88

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Q. A student scored 80, 90, 70, and 60 in four subjects. What score does he need in the fifth subject to have an average of 75?

A. 75
B. 80
C. 85
D. 90

Solution

Total required for average of 75 = 5 * 75 = 375. Current total = 80 + 90 + 70 + 60 = 300. Required score = 375 - 300 = 75.

Correct Answer: B — 80

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Q. A student scored 80, 90, 70, and 85 in four subjects. What is the average score?

A. 80
B. 82.5
C. 85
D. 75

Solution

Average = (80 + 90 + 70 + 85) / 4 = 325 / 4 = 81.25, rounded to 82.5.

Correct Answer: B — 82.5

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Q. A student scored 80, 90, and 70 in three subjects. What is his average score?

A. 80
B. 85
C. 75
D. 90

Solution

Average = (80 + 90 + 70) / 3 = 240 / 3 = 80.

Correct Answer: A — 80

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Q. A student scored 80, 90, and 70 in three subjects. What is the average score?

A. 80
B. 85
C. 75
D. 90

Solution

Average = (80 + 90 + 70) / 3 = 240 / 3 = 80.

Correct Answer: B — 85

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Q. A student scores 60, 70, and 80 in three subjects. If he wants an average of 75, what score does he need in the fourth subject?

A. 70
B. 75
C. 80
D. 85

Solution

Let the fourth score be x. (60 + 70 + 80 + x) / 4 = 75. Solving gives x = 90.

Correct Answer: D — 85

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Q. A student scores 80, 85, and 90 in three tests. What score does he need in the fourth test to have an average of 85?

A. 80
B. 85
C. 90
D. 95

Solution

Let the fourth score be x. (80 + 85 + 90 + x) / 4 = 85. Solving gives x = 95.

Correct Answer: C — 90

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Q. A student scores 80, 90, and 70 in three subjects. If he wants an average of 85 after scoring in a fourth subject, what should he score?

A. 90
B. 95
C. 100
D. 85

Solution

Total score needed for average of 85 = 4 * 85 = 340. Current total = 80 + 90 + 70 = 240. Required score = 340 - 240 = 100.

Correct Answer: B — 95

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Q. A student scores 80, 90, and 70 in three subjects. What is the average score?

A. 80
B. 85
C. 75
D. 90

Solution

Average = (80 + 90 + 70) / 3 = 240 / 3 = 80.

Correct Answer: B — 85

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Arithmetic Aptitude

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