Average Questions Practice Question and Answer
8Q: Average age of a couple before 4 years, at the time of their marriage was 27 years. Now, the average age of the couple including their new born baby is 21 years. Find the present age of the baby? 1820 05d19d2be1388cd24f0860ef5
5d19d2be1388cd24f0860ef5- 14 yearsfalse
- 23 yearsfalse
- 32 yearsfalse
- 41 yearstrue
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Answer : 4. "1 years"
Q: The average of three numbers is 40. First of them is two times of the seconds and the second is three time of the third. So, what is the difference between the largest and smallest number? 1817 05d19dded7619fe30b9d345a3
5d19dded7619fe30b9d345a3- 130false
- 236false
- 346false
- 460true
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Answer : 4. "60"
Explanation :
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Q: A batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his average after 17th match.
1816 15f4f64d40c72eb234932ccc6
5f4f64d40c72eb234932ccc6- 136false
- 237false
- 338false
- 439true
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Answer : 4. "39"
Q: The average of 8 numbers is 38.4. Out of these numbers, the average of 7 number is 39.2. The 8th numbers
1804 15e96ee4fb0b9ab17e702f0c5
5e96ee4fb0b9ab17e702f0c5- 133.7false
- 231.5false
- 335.2false
- 432.8true
- 534.5false
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Answer : 4. "32.8 "
Q: The average age of 30 students of a class is 15 years. A 20-year-old student left the class and replaced by two new students, whose age difference is 5 years. If the average age of all students is 15 years, then what will be ratio of young student to elder students.
1803 05f7ede6a0a69ab3becbf552f
5f7ede6a0a69ab3becbf552f- 14 :5false
- 23:5false
- 33:4true
- 44:3false
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Answer : 3. "3:4"
Q: The average of first three numbers is three times of the fourth number. If the average of all four numbers is 5, then find the fourth number. 1801 05d19dc981388cd24f0860f15
5d19dc981388cd24f0860f15- 14.5false
- 25false
- 32false
- 44true
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Answer : 4. "4"
Explanation :
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Q: Three science classes A, B and C take a Science test. The average score of class A is 83. The average score of class B is 76. The average score of class C is 85. The average score of class A and B is 79 and average score of class B and C is 81. Then the average score of classes A, B and C is
1794 0605a96288a26422fe255e0be
605a96288a26422fe255e0be- 180.5false
- 280false
- 381.5true
- 481false
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Answer : 3. "81.5"
Q: The total marks obtained by Abhishek in Zoology, Botany and Chemistry together is 180 more than the marks obtained by him is botany. What are the average marks obtained by him is zoology and Chemistry together?
1791 060acb89a5c11632d824a7861
60acb89a5c11632d824a7861- 190true
- 275false
- 380false
- 4180false
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