Study the following table carefully and answer the questions given below.

In which discipline was there a continuous increase in number of students over the given years?

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 two-digit number?
I. Sum of the digits is 6.
II. Digit in the ten’s place is double the digit in the unit’s place.

Study the following table and answer the equation:
Number of cars sold by dealers A, B, C, D and E during first six months of 2018.

In July 2018, if the sales of cars by the dealer D increases by the same percentage as in June 2018 over its previous month, then what is the number of cars sold by D in July 2018 ?

A wholesaler purchased 7 hair clips for a rupee. How many for a rupee must he sell to get profit of 40%?

Area of the triangle formed by the graph of the straight lines x - y = 0, x + y = 2 and the x-axis is: 

If the product of four consecutive natural numbers increased by a natural number p, is a perfect square; then the value of p is: 

A and B start a common business by placing their capital in the ratio of 5: 6. After 8 months A withdraws his capital. They received dividends in the ratio of 5: 9. For how long did B invest his capital?

Raju ate $$3\over 8$$part of a pizza and Adam ate $$3\over 10$$ part of the remaining pizza. Then Renu ate $$4\over 7$$ part of the pizza that was left. What fraction of the pizza is still left?