All Free Mathematics MCQs with Answers
Every Mathematics question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.
1,551 questions · page 13 of 78
- A. 250
- B. 276
- C. 280
- D. 285Quiz Mode Feature
Explanation: In a 30-day month beginning on Sunday, there are five Sundays, so the total visitors are 5 x 510 + 25 x 240 = 2550 + 6000 = 8550 visitors.
Correct answer: 285Quiz Mode Feature- A. 28 4/7 years
- B. 31 5/7 years
- C. 32 1/7 years
- D. None of these
Explanation: There are 2 grandparents, 2 parents and 3 grandchildren, making 7 family members.
Correct answer: 31 5/7 years- A. 2
- B. 5
- C. 8
- D. Cannot be determined
Explanation: For consecutive odd numbers, the average is the middle number, so the five numbers are 57, 59, 61, 63 and 65.
Correct answer: 8- A. 9
- B. 17
- C. 29
- D. 295
Explanation: Let the non-zero number be n. Its average with its square is (n + n²) / 2, and this equals 5n.
Correct answer: 9- A. 33
- B. 44
- C. 55
- D. 66
Explanation: Two-digit numbers unchanged by reversing their digits are 11, 22, 33, 44, 55, 66, 77, 88 and 99.
Correct answer: 55- A. 3
- B. 9
- C. 12
- D. 15
Explanation: The first five multiples of 3 are 3, 6, 9, 12 and 15. Their sum is 45, and their average is 45 / 5 = 9.
Correct answer: 9- A. 18
- B. 20
- C. 24
- D. 30
Explanation: The numbers divisible by 5 between 6 and 34 are 10, 15, 20, 25 and 30. Their average is (10 + 15 + 20 + 25 + 30) / 5 = 100 / 5 = 20.
Correct answer: 20- A. 0
- B. 1
- C. 10
- D. 19
Explanation: If 19 numbers are greater than 0, the twentieth number can be negative enough to make the total 0, so 19 is possible.
Correct answer: 19- A. 65
- B. 69
- C. 72
- D. None of these
Explanation: The total marks are 76 + 65 + 82 + 67 + 85 = 375 marks. The average is 375 marks / 5 subjects = 75 marks, which is not listed in options…
Correct answer: None of these- A. 21
- B. 22
- C. 23
- D. 24
Explanation: If the initial group had n persons, its total weight was 48n kilograms.
Correct answer: 23- A. 40
- B. 30
- C. 25
- D. Data inadequate
Explanation: Let the Physics marks be P and the Chemistry marks be P + 20 marks. Since Mathematics marks plus Physics marks equal 60 marks, Mathematics…
Correct answer: 40- A. 55 years
- B. 56 years
- C. 58 years
- D. Data inadequate
Explanation: Five years ago, A and B together were 2 × 40 = 80 years old, so now their combined age is 90 years.
Correct answer: Data inadequate- A. Rs.20
- B. Rs.18
- C. Rs.22
- D. Rs.16
Explanation: The total cost is 1150 rupees + 920 rupees = 2070 rupees, and the total number of books is 65 books + 50 books = 115 books.
Correct answer: Rs.18- A. 149
- B. 151
- C. 152
- D. 153
Explanation: The original total height was 50 pupils × 150 centimetres = 7500 centimetres.
Correct answer: 151- A. 384
- B. 364
- C. 324
- D. 404
Explanation: The three scores are 64% of 800 marks = 512 marks, 36% of 800 marks = 288 marks, and 44% of 800 marks = 352 marks.
Correct answer: 384- A. 20
- B. 15
- C. 25
- D. 35
Explanation: Let n be the original number of students. The original total is 80n marks, while the five excluded students contributed 5 × 40 = 200…
Correct answer: 25- A. 60
- B. 64
- C. 72
- D. 80
Explanation: The three-subject total is 3 × 80 = 240 marks. Physics plus Mathematics is 2 × 90 = 180 marks, while Physics plus Chemistry is 2 × 70 =…
Correct answer: 80- A. 58
- B. 86
- C. 49
- D. None of these
Explanation: The total of the four integers is 4 × 69 = 276. After subtracting the highest and least integers, the remaining two have total 276 - 93 -…
Correct answer: 86- A. 75
- B. 150
- C. 50
- D. None of these
Explanation: Let the Physics marks be P, Chemistry marks be C and Mathematics marks be M.
Correct answer: 75- A. 179.29 cm
- B. 178.29 cm
- C. 179.38 cm
- D. 178.39 cm
Explanation: The recorded total was 35 boys × 180 centimetres = 6300 centimetres. The incorrect height of 166 centimetres must be replaced by 106…
Correct answer: 178.29 cm