Question
Which of the following is not a merit of Mendeleev’s
Periodic Table?ÂSolution
The correct answer is C
The average of 7 numbers is 28. The average of first three of them is 23 and the last three of them is 42. Then the fourth number is:
The average age of each of the 20 employees in an IT company is 20 years. When you include the age of the Team leader, the company's average age becomes...
There are five containers in a truck hold. The weight of the first container is 100 kg and the weight of the second container is 20% higher than the wei...
The average cost price of 13 pens (having equal cost price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
Sum of ages of 60 students is 900 years such that the average age of 25 of them is 10 years and average age of another 25 of them is 14 years. Find the ...
In a cricket match the captain of one of a team scored 25 runs more than the average runs scored by the remaining 8 batsmen of that team who batted in t...
- Rs. 5600 is divided among 'X', 'Y', 'Z', and 'W' in the ratio 4:6:3:7. Then, 'Y' gives 60% of the average of 'X' and 'W’s' amount to 'Z'. Find the averag...
The average of 30 numbers is 55. The average of the first 15 numbers is 50 and the average of the last 12 numbers is 55. What is the average of 68, 74 a...
Three natural numbers are given. If sum of average of any two numbers and the remaining third number is 56, 46 and 50 respectively, then find the sum o...
- Average of first 2 numbers is twice the average of next 4 numbers. If the average of all 6 numbers is 18, find the sum of the last 4 numbers.
