A box has 80 Red, 40Blue and 40 Black Balls. 25% of Red Balls and 50% of Blue Balls are taken away, percentage of Black balls at present is
Remaining Balls = (80 + 40 +40) – 40 = 120 Required Percentage = 40/120 ×100 = 33.33%
The average number of books on history, polity and geography in a library is 165, and the average number of books on history and geography is 140. If th...
In a school with 400 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...
The average of 25 numbers is 40. If 2 is added to each number, then the new average will be:
The student's marks were wrongly entered as 55 instead of 25. Due to this, the average marks for the class increased by 1 /4 The number of students in t...
The average weight of a group of 15 students increases by 1.5 kg when the weight of the teacher is also included. If earlier the average weight of the g...
The average of n numbers is 65. If each of 54% of the numbers is increased by 15 and each of the remaining numbers is decreased by 10, then the new aver...
What will be the average of odd numbers between 20 to 74?
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...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Qu...
Average marks scored by Vineet in five subjects are 70. The average marks scored by him (excluding his highest and lowest marks) are 50 and lowest marks...
