Sujit Prasad Kushwaha

#WRITE A PROGRAM TO OPEN A DATA FILE “STUDENT.DAT” THAT CONTAINS NAME, ADDRESS, TELEPHONE NUMBER AND PATENTS NAME OF SOME STUDENTS. NOE, DISPLAY ALL THE RECORDS WHOSE ADDRESS IS “LALITPUR”. CLS OPEN “STUDENT.DAT” FOR INPUT AS #1 WHILE NOT EOF(1) INPUT #1, N$,A$,T#,P$ IF UCASE$(A$)=”LALITPUR” THEN PRINT N$,A$,T#,P$ END IF WEND CLOSE #1 END   #A SEQUENTIAL DATA FILE “STD.REC” CONTAINS RECORDS OF STUDENTS NAME, ROLL NUMBER, SECTION AND ADDRESS OF 10 STUDENTS. WRITE A PROGRAM TO DISPLAY THE LAST FIVE RECORDS. CLS OPEN “STD.REC” FOR INPUT AS #1 FOR I=1 TO 10 INPUT #1, N$,R,S$,AD$ IF I>S THEN PRINT N$,R,S$,AD$ END IF NEXT I CLOSE #1 END   #A SEQUENTIAL DATA FILE “SALARY.DAT” CONTAINS INFORMATION AS EMPLOYEE CODE, EMPLOYEE NAME, POST AND BASIC SALARY. WRITE A PROGRAM TO DISPLAY THOSE RECORDS WHOSE BASIC SALARY IS BETWEEN 10000 TO 15000 AND POST IS “OFFICER”. CLS OPEN “SALARY.DAT” FOR INPUT AS #1 WHILE NOT EOF(1) INPUT #1,EC,EN$,P$,S IF S>=10000 AND S<=150

This is the mathematics formulae book for class 12 students. Here, we have covered all the formulae needed to solve the questions of Mathematics. Permutation The total arrangement of total objects taken some or all at a time is called permutation. The permutation of 'n' objects taken 'r' at a time is denoted by $^np_{r}$ and is defined by; 1. $^np_{r}=\frac{n!}{(n-r)!}$ 2. Permutation of an object, all different;$$=\frac{n!}{p!\,q!\,r!}$$ where,  n=total objects p=repetition of first kind  q=repetition of second kind r=repetition of third kind 3. Circular permutation= $(n-1)!$ 4. If clockwise and anticlockwise arrangement are not distinguishable [necklace of beads and beads into bracelet]; Total number of permutation=$\frac{(n-1)!}{2}$ Combination The selection of total objects taken some or all at a time is called combination. The combination of 'n objects taken 'r' at a time is denoted by $^nc_{r} \, or \, c(n,r)$ and defined by; $$^nc_{r}=\frac{n!}{(n-r)!

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Introduction: Black holes are one of the foremost fascinating and puzzling objects within the universe. They have captured the creative ability of researchers, science fiction scholars, and the common open for numerous a long time. However, despite our interest in them, black holes are still ineffectively caught on. In this blog, we'll explore what black holes are, how they frame, and what makes them so unique. Chapter 1: What is a black hole? Black holes are a few of the foremost strange objects within the universe. They are so named since their gravitational pull is so strong that nothing, not indeed light, can elude them. Black holes are shaped when massive stars undergo a process known as gravitational collapse, in which their centers end up so thick that they collapse in on themselves, making a peculiarity – a point of infinite thickness. Black Holes are classified into three sorts based on their mass: stellar Black Holes, Intermediate Black Holes, and supermassive Black H

The Largest Structure in the Universe that you are referring to is known as the "Sloan Great Wall," and it is a vast supercluster of galaxies located in the constellation Pisces. The supercluster was discovered in 2003 by a team of astronomers using data from the Sloan Digital Sky Survey, and it is thought to be the largest known structure in the universe. The supercluster consists of 830 separate galaxies that are contained within four connected galaxy clusters. It stretches across an estimated distance of 1 billion light years and is thought to contain the mass of about 500 trillion suns. The Sloan Great Wall is so large that it takes light billions of years to traverse it, meaning that we are observing it as it was when the universe was much younger. The discovery of the Sloan Great Wall has provided important insights into the structure and evolution of the universe. Credits: NASA, ESA, Images by Science Photo Library