Start learning 50% faster. Sign in now
The correct answer is C
In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced t...
There are 15 numbers such that average of first 12 numbers is 50 while the average of last five numbers is 60. Find the 12th number, if the ratio betwee...
A group contains some number of members. If 2 members with an average weight of 61 kg leave the group, the average weight of the remaining members decre...
If a:b:c = 3:4:6, and (5a + 3c) = 132, then find the value of '3b'.
The average age of a group of 70 students is 14 years. If three students whose ages are 22years, 20years, ________ years is replaced with three new stud...
A student has two types of markers: Marker A priced at $3 each and Marker B priced at $5 each. If the student purchases a total of 12 markers, with an a...
Average age of company A is 25 years and average age of both companies A and B is 17 years. If the ratio of number of employees in company A and B is 3:...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Qu...
Average run scored by a batsman in first ‘x’ matches is 75. In next 13 matches he scored runs with an average of 90 so that his overa...
The average height of each person in group 'G' having 28 people is 12 cm less than the average height of each person in group 'H' having 24 people. If t...