Question
Find a positive number which when increased by 26 is
equal to 120 times the reciprocal of the number?Solution
let the number be x x + 26 = 120 ×1/x x + 26 = 120/x x² + 26x = 120 x² + 26x - 120 = 0 x² - 4x + 30x - 120 = 0 x (x-4) + 30(x-4) (x+30) (x-4) = 0 x = 4, -30 (as positive integer)
If L is mother of M’s father then which of the following is true?
Answer the questions based on the information given below.
B $ C means ‘C’ is the husband of ‘B’
B @ C means ‘C’ is the moth...
In expression ‘S & T $ U # V @ W & Y $ Z’ how is Z related to U?Â
If ' Y $ I @ W, I # T % S, I % P' , then how is Y related to S?
If A – B means that A is the mother of B, A + B means that A is the father of B, A ÷ B means that A is the sister of B, then which of the following ...
If ‘J % K & L @ H # I % G’ is true, then how is G related to K?
In a certain code language,
R + T means 'R is the sister of T'
R - T means 'R is the father of T'
R * T means 'R is the wife...
In a certain language,
'A # B' means 'A is the mother of B'.
'A @ B' means 'A is the spouse of B'.
'A & B' means 'A is the father-i...
L @ K * J * I @Â G @ H % F, How is J related to H?
'A + B' means 'A is the father of B'. 'A - B' means 'A is the son of B'. 'A ÷ B' means 'A is the daughter of B'. 'A X B' means 'A is married to B'. In ...
