Question
Blue green algae is used
forSolution
Blue green algae like Nostoc and anaebaena is used in nitrogen fixation
The average marks of all the students decreased by 5 when it was found that marks of one of the students were wrongly taken as 95 instead of 45. Find th...
When the digits of a two-digit number are interchanged, the new number becomes 24 more than 180% of the original number. If the sum of the digits is 6, ...
What is the number of divisors of 360?
A two-digit number '8d' is completely divisible by '4'. When the same number is divided by '3', there is a remainder of '1'. Find the value of 'd'.
 If 1.5x = 0.04y, then the value of
- The nine-digit number 7x31265y2 is divisible by 88. Find the value of √(xy), given that x < 8 and y < 8.
When a number is increased by 60% then the number obtained is 28 less than thrice the original number. Find the original number.
What is the average of all the prime numbers which are less than 35?
