Question
Rohit walked 20 metres towards South from point P, took
a left turn and walked 15 metres again he took a left turn and walked 20 metres. How far and in which direction is he from the starting point?Solution
The number of students in class 'A' is 128, and the ratio of the number of girls to boys is 5:11. If the average number of boys in classes A and B is 14...
The average number of books on history, polity and geography in a library is 110, and the average number of books on history and geography is 120. If th...
The average of the first and second numbers is 20, while the average of the second and third numbers is 25. If the sum of the first and third numbers is...
- The average marks obtained by 20 students in a test is 74. It was later found that 78 was wrongly recorded as 87 and 69 was wrongly written as 63. What is ...
The average height of the boys in a class is 160 cm, while the average height of the girls is 155 cm. The overall average height of all students in the ...
The average salary of all males and females in an office is Rs.16000 and the total number of females in the office is 16. If the average salaries of mal...
The average score obtained by 29 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
The average of 10 observations is 46. It was realized later that an observation was misread as 42 in place of 142. The correct average is:
In a group of 28 friends, the average age is 22 years. One person aged 20 leaves, and 2 new people with an average age of 24 years join. When a new mem...
- The average of two consecutive even numbers is 77. If the smaller number is increased by 30% and the larger number is decreased by 30%, then find the diffe...
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