One month Mrs. and Mr. Rai take home *20000 each.
These amount respectively represent an increase of
25% over Mrs. Rai's take home in the previous month
and a decrease of 33.33% over Mr. Rai's take home
in the previous month. What was their total income in
the previous month?
(A) 40000 (B) 50000 (C) 46000 (D) 241666
Answers
Answer:
options is (B) 50000
Step-by-step explanation:
One month Mrs. and Mr. Rai take home *20000 each.
These amount respectively represent an increase of
25% over Mrs. Rai's take home in the previous month
and a decrease of 33.33% over Mr. Rai's take home
in the previous month. What was their total income in
the previous month?
(A) 40000 (B) 50000 (C) 46000 (D) 241666
Answer:
The correct answer is : (C) 46000
Step-by-step explanation:
According to the question, this present month both Mrs. and Mr. Rai take home 20000 each.
Let Mrs. Rai take home in previous month was X. As there is an increase of 25% from last month so for the current month her income will be:
X + (25% of X) = 20000
X + 0.25X = 20000
1.25X = 20000
X = 16000
Let Mr. Rai take home in previous month was Y. As there is a decrease of 33.33% from last month so for the current month his income will be:
Y - (33.33% of Y) = 20000
Y - 0.3333Y = 20000
0.6667Y = 20000
Y = 30000
Hence their total income in the previous month was:
X + Y = 16000 + 30000 = 46000
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