Question
What is the minimum value of 'Y' for which 267Y2 is
divisible by 3?Solution
According to the divisibility rule of 3. 2+6+7+y+2=17+Y =17+1=18 divisible by 3. Y=1.
In an examination, the average marks obtained by the students is 85. After correcting the quantitative mistakes, the average of 100 students is reduced ...
In a school, the average number of books that some numbers of boys have is 80 and average number of books that some numbers of girls have is 50. If each...
The average of 11 observations is 60. If the average of first five observations is 58 and that of last five is 56, the sixth observation is
Average weight of each student, in a class of 70 students, is 86kg. If the ratio of number of boys and girls in the class is 4:3, respectively and avera...
The average weight of 44 employees in an office is 45 kg. When the manager's weight is included, the average weight rises by 1 kg...
The average age of 25 children and their teacher's age are 20 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The average of 8 numbers is 12. If the 2 is added in 1st number, 4 is added in 2nd number, 8 is added in 3rd number and in the same way the number are a...
In a school, there are 30 male students and 20 female students. The average marks of male students is 58 and that of female students is 62. Calculate th...
The average weight of 4 persons is 40 kg. The heaviest person’s weight is 26 kg more than the lightest person’s weight. If the average weight of the...
The average of the first 7 non-zero multiples of 18 is:
