If $\times$ stands for $-$, $\div$ stands for $+$, $+$ stands for $\div$ and $-$ stands for $\times$, then $15 - 5 \div 5 \times 20 + 10$ is equal to

Select the word which cannot be formed using the letters of the given word. "ENVIRONMENT" :

In a complex linear arrangement-seven people A, B, C, D, E, F, and G sit in a straight-line facing north. B sits third to the left of G. D sits second to the right of C. A is neither at an end nor adjacent to D. If F sits to the immediate left of B, who sits at the extreme right end?

Given below are two statements.

Statement : Some food are sweet. Some food are sour.

Conclusions : I. All foods are either sweet or sour.

II. Some sweets are sour.

Which of the conclusions follow from the given statements.

Read the following information carefully and answer the questions :

(a) Six persons P, Q, R, S, T and U are sitting in two rows, three in each.

(b) T is not at the end of any row

(c) S is second to the left of U

(d) R, the neighbour of T, is sitting diagonally opposite to S

(e) Q is the neighbour of U

Which of the following group of people are in the same row ?

Arrange the following in a logical orders.

A. curd

B. Grass

C. Butter

D. Cow

E. Milk

Choose the correct answer from the option given below:

There are six Professors in a Physics department. They are P, Q, R, S, T and W. all are sitting around a hexagonal dinning table to have Lunch. Q is sitting between W and R, P is sitting between T and S and W is sitting to the left of S. Who is sitting between P and W ?