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The sum of two numbers is 40 and their product is 375. What will be the sum of their reciprocals?
A. 1/40
B. 8/75
C. 75/4
D. 75/8

Read Solution (Total 2)

ANS B.
(1/a)+(1/b)=(a+b)/ab=40/375=8/75
11 years agoHelpfull: Yes(1) No(1)

x+y=40
xy=375
(x+y)/xy=40/375
1/y+1/x=8/75
b is the answer
5 years agoHelpfull: Yes(0) No(0)

GENPACT Other Question

Find the number which when multiplied by 15 is increased by 196.
A. 14
B. 20
C. 26
D. 28 If the sum of a number and its square is 182, what is the number?
A. 15
B. 26
C. 28
D. None of these