Challenger App

No.1 PSC Learning App

1M+ Downloads
Sum of a number and its reciprocal is 2. Then what is the number ?

A1

B2

C3

D4

Answer:

A. 1

Read Explanation:

If the number is X X + 1/X = 2 X² + 1 = 2X X² - 2X + 1 = 0 X = 1


Related Questions:

Which of the following is not divisible by 15
രണ്ടക്കമുള്ള ഒരു സംഖ്യയുടെ അക്കങ്ങളുടെ തുക 8 . അക്കങ്ങളുടെ ഗുണനഫലം 12 . സംഖ്യ 60 നെക്കാൾ കുറവാണ്. സംഖ്യ ഏതാണ്?
The sum of a number, its half, its 1/3 and 27, is 71. Find the number.
Find between which numbers x should lie to satisfy the equation given below: | x + 1| < 2
The number obtained by interchanging the two digits of a two digit number is lesser than the original number by 54. if the sum of the two digits of the number is 12, then what is the original number?