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:

The digit in the unit place in the square root of 66049 is
Which of the following is divisible by 2
Find out the wrong term in the series.2,3,4,4,6,8,9,12,16
2, 3, 5, 7, .... ഇങ്ങനെ തുടർന്നാൽ 8-ാമത്തെ സംഖ്യ ഏത് ?
Number 136 is added to 5B7 and the sum obtained is 7A3, where A and B are integers. It is given that 7A3 is exactly divisible by 3. The only possible value of B is