The average of 25 results is 18. The average of first 12 of those is – McqOptions

MCQOPTIONS

1.	The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13th result?
A.	72
B.	74
C.	76
D.	78
Answer» E.

Discussion

No Comment Found

Related MCQs

<p> Two numbers are less than third number by 30% and 37% respectively. How much percent is the second number less than by the first</p>
<p> The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?</p>
<p> In how many ways 4 boys and 3 girls can be seated in a row so that they are alternate.</p>
<p> If number x is 10% less than another number y and y is 10% more than 125, then find out the value of x.</p>
<p> The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13th result?</p>
<p> In a boat there are 8 men whose average weight is increased by 1 kg when 1 man of 60 kg is replaced by a new man. What is weight of new comer?</p>
<p> In a party every person shakes hands with every other person. If there are 105 hands shakes, find the number of person in the party.</p>
<p> If x% of y is 100 and y% of z is 200, then find the relation between x and z..</p>
<p> If 15% of 40 is greater than 25% of a number by 2, the number is .</p>
<p> Find the average of first 97 natural numbers. </p>