For the following questions answer them individually
The average of X, y and z is 6 more than z. The average of x and y is 50. If u is 6 less than z, then what is the average of u and z ?
In a library, the ratio of the number of mathematics books to that of physics books, is the same as the ratio of the number of the physics books to that of chemistry books. If there are 144 mathematics books and 100 chemistry books, then the ratio of the total no of mathematics and physics books to the total number of chemistry and physics books is:
When x is substracted from each of 55, 50, 23 and 22, the numbers so obtained in this order, are in proportion. What is the fourth proportional of 3, 7 and x ?
A sum amounts to ₹11,616 in 2 years and to ₹12,777.60 in 3 years, when the interest is compounded anually. The sum (in ₹) is:
The value of $$\frac{4}{9}\div(\frac{3}{5}-\frac{1}{2})\times\frac{9}{25}-(\frac{2}{3}\div\frac{3}{4}of\frac{5}{3})+(5\frac{1}{4}\div\frac{3}{7}of\frac{1}{4}\times\frac{3}{35})$$ is:
As per the Lion Census conducted every five years, the number of Asiatic lions in the Gir forest region of Gujarat has risen to ______ in June 2020.
