BIHAR CGL PRE AVERAGE QUIZ - 30

The average of 37 consecutive numbers is 26. The largest of these numbers is:

Average of all even numbers between 104 and 138 is …..

Average weight of three friends Amar, Vikas and Damani is $70 \mathrm{~kg}$. Another person Vishal joins the group and now the average is $66 \mathrm{~kg}$. If another person Arpit whose weight is $6 \mathrm{~kg}$ more than Vishal, joins the group replacing Amar, then average weight of Vikas, Damani, Vishal and Arpit becomes $75 \mathrm{~kg}$. What is the weight of Amar (in kg )?

The average of 21, 28 and $x$ is 54. What is the value of $\mathrm{x}$?

Find the average of $\frac{1+2^{2}+3^{2}+\cdots 10^{2}}{1+2+3+\cdots 10}$

The average of the scores obtained by Jitendra and Umar is 70, the average of the scores obtained by Umar and Shyamal is 56, while the average of the scores obtained by Shyamal and Jitendra is 78. What is the average of the scores obtained by Jitendra Umar and Shyamal?

A student scores $85 \%$ in an examination. The scores were $79,81,88$ and $94$ in $4$ subjects. iif each subject marks is 100. Find the student's score in the 5^th subject?

The average of 13 results is 68 . The average of first seven is 63 and that of the last seven is 70 , the seventh result is :

The average of 17 numbers is 35. If each number is decreased by 3, what will the new average be?