Question
What approximate value
will replace the question mark (?) in the following? ? = 34.99 × 7.02 + 12.98 × 9.99 – 14.01 × 8.02Solution
? = 34.99 × 7.02 + 12.98 × 9.99 – 14.01 × 8.02 ? ~ 35 × 7 + 13 × 10 – 14 × 8 ? ~ 245 + 130 – 112 ? ~ 263
Average marks scored by each boy in a class were 70, whereas that by each girl were 80. If the number of boys is 50% more than the number of girls, then...
The cost of packaging of the oranges is 15% the cost of fresh oranges themselves. The cost of oranges increased by 35% but the cost of packaging decreas...
The average weight of 20 boys is 48 kg. However, the weights of three boys, originally 46 kg, 44 kg, and 38 kg, were incorrectly ...
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...
- The average of two numbers is 3 more than the smaller number among them. If the greater number is 25% more than the smaller number, then find the sum of th...
There are three classes P, Q and R. The average marks of class P is 75. The average marks of class Q is 80. The average marks of class R is 85. The aver...
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs, If these two innings are excl...
- The average age of (x + 6) students is 14 years. When a 36-year-old principal joins, the average age increases by 1 year. Find x% of 500.
The average age of 12 girls is 35 years. If the age of two more girl is added the average decreases by one and a half year. What is the sum of the age o...
There are three numbers 'd', 'e' and 'f' such that average of 'd' and 'e' is 10, average of 'e' and 'f' is 22 and average of 'd' and 'f' is 28. Find the...
Relevant for Exams:
