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Planning may not work in a dynamic environment due to which of the following reasons?

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Important Questions on Linear Programming

EASY
For L. P. P, maximize z=4x1+2x2 subject to 3x1+2x29,x1-x23,x10,x20 has ….
EASY
The objective function of LPP defined over the convex set attains its optimum value at
HARD
Lakshmi wants to buy few bangles and ear drops. Each bangle costs Rs.5 and each ear drop costs Rs.10. She should buy atleast 6 bangles and atmost 2 ear drops. If she buys x bangles and y ear drops with minimum expenditure, then the formulation for this linear programming is
MEDIUM
Five persons are sitting in a row facing north. C is fourth to the left of M and both have only one neighbor. B is sitting exactly at the middle of the row. N is sitting immediate left of M. V is another person. What is the position of N with respect to V? 
MEDIUM
The corner points of the feasible region determined by the system of linear inequalities are (0,0),(4,0),(2,4) and (0,5). If the maximum value of z=ax+by, where ,a,b>0 occurs at both (2,4) and (4,0), then
EASY
A certain reaction occurs in two steps as:

(i) 2SO2g+2NO2g2SO3g+2NOg

(ii) 2NOg+O2g2NO2g

In the reaction,
HARD
Which of the following causes biomagnification? 
MEDIUM
5 persons are standing in a line one of the2  persons at the extreme ends is a professor and the other a business man. An advocate is standing to the right of student. An author is to the left of the business man. The student is standing between the professor and advocate. Counting from the left. The author is at which place?
EASY
The manufacturing of methyl isocyanate (MIC) started in India in 1980 to make _____, a powerful pesticide that can kill 100 types of insects.
MEDIUM
V, W, X, Y, and Z are sitting in a row facing North. W is between V and X. Y is to the left of Z, who is at one end. X sits in the center of the row. Who is to the right of X?
MEDIUM
A group of friends, A, B, C, D and E are sitting in a row. D is sitting to B's immediate right. C is sitting to E's immediate left and is at one of the ends. If A is not sitting at either end, who among these friends are sitting at the two ends of the sequence? 
EASY
Five persons Lopa, Kripa, Sumi, Jani and Sush are sitting a straight line facing north. Sush is to the immediate left of Sumi. Jani is to the immediate right of Lopa. Kripa is between Sush and Jani. Who is sitting between Lopa and Kripa?
EASY
Study the following information to answer the given questions:
Q, R, S, T, U and V are seated in a straight line facing North. S is second to the right of T who is second to the right of Q. R is to the left of Q and is second to the left of V.
How many persons are seated between T and V?
 
MEDIUM

Study the following information carefully and answer the question given below.

At the NIIT institute, seven classes from north to south numbered 110 to 116. Three of these seven classes are vacant, there are two students in one class and one student in each of the remaining three. Five students S, D, R, A, and X are studying at the NIIT institute. S and X study in the same class. D's class lies in the north of A's class. None of the unoccupied classes are adjacent to each other. The class number 115 is unoccupied. S studies in class number 110. X's class lies towards the north of the R's class.

If D studies in class number 114 then which of the following must be true?
EASY
Five girls M, N, O, P and Q are standing in a row. P is on the right of Q, N is on the left of Q, but is on the right of M. P is on the left of O. Who is standing on the extreme right?
EASY
There are 8 tents in a line and in each tent, only one boy lives with the conditions as given below -
I. T is not the neighbour of H.
II. S is just next to the left of L.
III. There is at least one boy to the left of L.
IV. Q lives in one of the two tents in the middle.
V. M lives in between Q and L.
If at least one lives to the right of R and S is not between D and L, then which one of the following statements is definitely true?
EASY

Study the following information and answer the question.

(i) Eleven students A, B, C, D, E, F, G, H, I, J, and K are sitting in a line in the class facing the teacher.
(ii) D is just next to the right of F and second to the left of C.
(iii) E is sitting on one end and A is second to the left of E.
(iv) J is the closest neighbour of A and B and is third to the right of G.
(v) H is next to the right of D and is third to the left of I.

If E and D, C and B, A and H as well as K and F interchange their places then which of the two students will be on the ends?

MEDIUM

Study the following information carefully and answer the question given below.

At the NIIT institute, seven classes from north to south numbered 110 to 116. Three of these seven classes are vacant, there are two students in one class and one student in each of the remaining three. Five students S, D, R, A, and X are studying at the NIIT institute. S and X study in the same class. D's class lies in the north of A's class. None of the unoccupied classes are adjacent to each other. The class number 115 is unoccupied. S studies in class number 110. X's class lies towards the north of the R's class.

Who is/are in class number 110?

EASY
Seven boys are standing in a row. Jack is standing left to Irfan but right to Kitu . Leo is standing right to Mannu and left to Kitu. Similarly, Heera is standing right to Irfan and left to Tom. Find out who is standing in middle.