Question
31.98% of 224.99 = 24.98% of ? + 9.91% of
499.99Â What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)Solution
ATQ, 31.98% of 224.99 = 24.98% of ? + 9.91% of 499.99 32% of 225 ~ 25% of ? + 10% of 500 0.25 Ă— ? + 0.10 Ă— 500 ~ 0.32 X 225 0.25 Ă— ? + 50 ~ 72 0.25 Ă— ? ~ 22 ? ~ 88
The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest chi...
The average weight of 4 persons is 46 kg. The heaviest person’s weight is 28 kg more than the lightest person’s weight. If the average weight of the...
The mean of 7 consecutive natural numbers is 68. What is the addition of the minimum and maximum numbers?
There are three numbers. If the average of any two of them is added to the third number, the sums obtained are 177, 163 and 138. Whatis the average of ...
- The average score of a batsman in a number of innings is 40. He scores 88 in the next inning, raising his average by 1.6. Find the total runs scored before...
- The average of eight numbers is 50. When four more numbers are included, the average increases by 3. Find the average of the numbers included.
Average age of a class of 28 students is 10 years. Average age of the class is increased by 12 months if the age of the teacher is included. Find...
The average expenditure of Mr. Sharma for January to June is Rs. 4200 and he spent Rs. 1200 in January and Rs. 1500 in July. The average expenditure for...
The average age of A and B is 21 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 22 years. Find the age...
The average Economics marks of two sections A and B of class X in the annual examination is 70. The average marks of Section A is 72.5 and that of secti...