16 If there are 4 addressed envelopes and 4 letters.
Then, the chance that all the letters are not mailed
through proper envelope, is
(a) 1/24 (b) 1 (c) 23/24 (d) 9/2
Answers
Answered by
1
Answer:
answer is is a 1 divided by 24 hope it is help you thank you
Answered by
2
Answer:
Let the two numbers be x and y respectively,
According to the question,
✪ HCF(x, y) = 5
✪ LCM(x, y) = 275
Also,
✪ x + y = 80 ...(1)
We know,
==> product of numbers = HCF × LCM
==> x × y = 1375 ...(2)
To Find: 1/x + 1/y
\begin{lgathered}\sf \rightarrow \quad \dfrac{1}{x} + \dfrac{1}{y} \\ \\ \sf \rightarrow \quad \dfrac{x + y}{xy} \\ \\ \sf \quad from \: (1) \: and \: (2) \\ \\ \sf \rightarrow \quad \dfrac{80}{1375} \\ \\ \sf \rightarrow \quad \dfrac{16}{275} \\ \\ \sf Hence, \: Option \: ( B ) \: is \: correct.\end{lgathered}
→
x
1
+
y
1
→
xy
x+y
from(1)and(2)
→
1375
80
→
275
16
Hence,Option(B)iscorrect.
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