For the following questions answer them individually
In the given figure AB = DB and AC = DC. If $$\angle ABD = 58^{\circ}$$ and $$\angle BDC = (2X - 4)^{\circ},\angle ACB = (x + 15)^{\circ}$$ and $$\angle DCA = 63^{\circ}$$.
Study the given table and answer the question that follows.
The table shows the number of customers for different services in different cities.
In which services is the average number of customers per city the highest?
In the given figure, a square ABCD is inscribed in a quadrant APCQ. If AB = 16 cm, find the area of the shaded region (take $$\pi = 3.14$$) correct to two place of decimal.
A and B together can do a piece of work in 50 days. If A is 40% less efficient than B, in how many days can A working alone complete 60% of the work?
Study the table given below and answer the questions that follows.
According to the table given above, which country has the maximum number of positive cases?
The number of books on Mathematics, Physics and Chemistry in a University library is in the ratio 8 : 5 : 9. There is a proposal to increase these books by 10%, 5% and 5% respectively. What will be the ratio of the number of books after increment?