Question
Which of the following statements is NOT correct about
surface tension?Solution
Statement 3 is incorrect. At room temperature, the surface tension of water is actually higher than that of ethyl alcohol. For example, water at 20°C has a surface tension of 72.8 dynes/cm, while that for ethyl alcohol is 22.3 dynes/cm.
Priya had 108 chocolates of two types – dairy and dark. If she receives 36 more dairy chocolates, the ratio of dairy to dark chocolates becomes 5:4. F...
A six-digit number 4c68d2 is divisible by 12. Find the sum of all possible values of 'c' for the largest possible value of 'd'.
If X + Y = 23 and XY = 126, what is the value of (X)² + (Y)² ?
In a school a total of 3,920 candies was distributed among all the students in the school. The candies were distributed in such a way that number of can...
- A number when divided by 21 gives a remainder of 7. What would be the remainder when six times the number is divided by 21?
What is the least positive number which leaves remainders 5, 7, and 8 when divided by 6, 8, and 9 respectively?
Find the median of the given set?
8,9,17,10,23,11,7,21,15,6,3
What is the smallest number that should be added to 987 so that the sum is exactly divisible by 11?
The following dataset represents the examination scores achieved by 10 students:
36, 91, 80, 77, 64, 80, 45, 56, 41, 96
Find the median of...
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