The average of four consecutive odd numbers is 36. What is the smallest of these numbers?

A sum becomes 5 times of itself in 3 years at compound interest (interest is compounded annually). In how many years will the sum becomes 125 times of itself?

Direction : Each of the questions below consists of a question and two statements numbered I and II are given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and
Give answer
(A) If the data in statement I alone are sufficient to answer the question, while the data statement II alone are not sufficient to answer the question.
(B) If the data in Statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
(C) If the data in statement I alone or in Statement II alone are sufficient to answer the question.
(D) If the data in both the statement I and II are not sufficient to answer the question.
(E) If the data in both the statement I and II together are necessary to answer the question.

What is the mother’s present age?
I. Present ages of mother and child are in the ratio of 5:1 respectively.
II. Four years hence the ratio of the ages of mother and child will be 17:5 respectively.

Direction: Study the following graph and answer the questions based on it.

In how many years was the production of fertilizers more than the average production of the given years? 

If (a+b)=16 and a³+b³=1456, then what is the value of ab?

If the perimeter of a rectangle is 180 m and the difference between the Length and breadth is 8 m, what is the area of the rectangle?

Direction: Study the line graph carefully to answer the following questions.
Line graph shows the production (in thousand units) and percentage of exported mobiles, computers and laptops.

In which of the following years was the production of Laptops exactly 40% of the total production of Mobiles, Computers and Laptops in that year?

Find the LCM of the fractions $${2\over 5}$$, $${3\over 7}$$ and $${4\over 9}$$