Which of the following statements is used to create an empty set?

What is the output of the following piece of code when executed in the python shell?

Which of the following lines code will result is an error?

What is the output of the code shown below?
S=set ([1, 2, 3,])  S, union ([4, 5})  S|([𝟒, 𝟓])

Let the set A is the {1, 2, 3} and B is {2, 3, 4}. Then number of elements in A U B is

Let the set A is {1, 2, 3} and B is {2, 3, 4}. Then number of elements in A Ո B is

Let the set A is {1, 2, 3} and B is {2, 3, 4}. Then the set A – B is

Which sets are not empty?

If n (A) =4, n (B) =3, n (A×B×C) =24, then n(C) =

In a class of 100 students, 55 students have passed in Mathematics and 67 students have
passed in physics. Then the number of students who have passed in Physics only is

Find an expression for y given 𝒅𝒚 ÷ 𝒅𝒙 = 𝒙^_¾

Find the missing term of the series 2, 7, 16, ___, 46, 67, 92

dy = ∫ −𝟏𝟐𝐱^−𝟒 dx solve it;

Find the missing term of the series 1, 9, 25, 49, 81, 121,

Find the next term of the series BKS, DJT, FIU, HHV,

6, 9, 15, 21, 24, 28, 30

582, 605, 588, 611, 634, 617, 600 Find out the wrong number in the given sequence of numbers.

Insert the missing number 8, 7, 11, 12, 14, 17, 17, 22, (…)

The length and breadth of a room are 8 m and 6 m respectively. A cat runs along all the four walls and finally along a diagonal order to catch a rat. How much total distance is covered by the cat?

One morning sujata started to walk towards the Sun. After covering some distance, she turned to right then again to the right and after covering some distance she again turns to the right. Now in which direction is she facing?

Some boys are sitting in three rows all facing north such that A is in the middle row. P is just to the right of A but in the same row. Q is just behind of P while R is in the North of A. In which direction of R is Q?

One morning after sunrise, Vimal started to walk. During this walking he met Stephen who was coming from opposite direction. Vimal watch that the shadow of Stephen to the right of him (Vimal). To which direction Vimal was facing?

Golu started from his house towards North. After covering a distance of 8 km. he turned towards left and covered a distance of 6 km. What is the shortest distance now from his house?

Six persons M, N, O, P, Q and R are sitting in two rows with three persons in each row. Both the row are in front of each other. Q is not at the end of any row. P is second the left of R. O is the neighbour of Q and diagonally opposite to P. N is the neighbour of R. Who is in fronts N? (UPSC (CSAT) 2011)

Six persons A, B, C, D, E and F are sitting in two rows, three in each row. (MAT 2011)

(I) E is not at the end of any row

(II) D is second to the left of F

(III) C, the neighbor of E, is sitting diagonally opposite to D

(IV) B is the neighbor of F.

Which of the following are in one of the two rows?

Five boys A1, A2, A3, A4 and A5 are sitting in a stair in the following way. (RRB (TC/CC) 2010)

I. A5 is above A1

II. A4 is under A2

III. A2 is under A1

IV. A4 is between A2 and A3.

Who is at the lowest position of the stair?

Five children are sitting in a row. S is sitting next to P but not T. K is sitting next to R, who is sitting on the extreme left and T is not sitting next to K. Who is/are adjacent to S?

Five senior citizens are living in a multi-storeyed building. Mr. Muan lives in a flat above Mr. Ashokan, Mr. Lokesh in a flat below Mr. Gaurav, Mr. Ashokan lives in a flat above Mr. Gaurav and Mr. Rakesh lives in a flat below Mr. Lokesh. Who lives in the topmost flat? (MAT 2013).

In a gathering seven members are sitting in a row. ‘C’ is sitting left to ‘B’ but on the right to ‘D’. ‘A’ is sitting right to ‘B’, ‘F; is sitting right to ‘E’ but left to ‘D’. ‘H’ is sitting left to ‘E’. Find the person sitting in the middle. (SSC (10+2) 2013)

A to H are seated in straight line facing North. C sits fourth left of G. D sits second to right of G. Only two people sit between D and A. B and F are immediate neighbours of each other. B is not an immediate neighbour of A. H is not neighbour of D. (GIC 2012)

Who amongst the following sits exactly in the middle of the persons who sit fifth from the left and the person who sit sixth from the right?