When 40% of a number E is added to another number R, B becomes 125% of its previous value. Then which of the following is true regarding the values of E and R?a)Either (a) or (b) can be true depending upon the values of E and Rb)R andgt; Ec)E andgt; Rd)R = ECorrect answer is option 'A'. Can you explain this answer?

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When 40% of a number E is added to another number R, B becomes 125% of its previous value. Then which of the following is true regarding the values of E and R?

a)
Either (a) or (b) can be true depending upon the values of E and R
b)
R > E
c)
E > R
d)
R = E

Correct answer is option 'A'. Can you explain this answer?

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When 40% of a number E is added to another number R, B becomes 125% of...

R + 40% of E = 125% of R 40% of E = 25% of R.
i.e. 0.4E = 0.25R -> E / R = 5 / 8
Apparently, it seems that R is bigger, but if you consider E and R to be negative the opposite would be true.
Hence, option (A) is correct.

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When 40% of a number E is added to another number R, B becomes 125% of...

Let's start by translating the given information into equations:

- "40% of a number E": this can be written as 0.4E
- "added to another number R": we add 0.4E to R, so we get R + 0.4E
- "B becomes 125% of its previous value": if we call the previous value of B "B0", then we have B = 1.25B0

Putting it all together, we can write:

R + 0.4E = 1.25B0

But we don't know anything about B0, so we need to find another equation to solve for E and R. We can use the fact that B is a certain percentage of its previous value:

B = 1.25B0 = 1.25(B/1.25) = B/0.8

This means that B is 0.8 times its current value. So we can write:

B = 0.8(R + 0.4E)

Now we have two equations with two unknowns, E and R:

R + 0.4E = 1.25B0
B = 0.8(R + 0.4E)

We can solve for E by substituting the second equation into the first:

R + 0.4E = 1.25(0.8(R + 0.4E))

Simplifying:

R + 0.4E = R + 1.0E
0.6E = R

So we have found that 0.6E = R. We can substitute this into either equation to solve for E or R. For example, using the second equation:

B = 0.8(R + 0.4E)
B = 0.8(0.6E + 0.4E)
B = 0.8E

So we have found that B is 0.8 times E. This means that either (a) or (b) can be true depending on the values of E and R:

(a) If E = 1 and R = 0.6, then R + 0.4E = 1 and B = 0.8E = 0.8, which satisfies the conditions.
(b) If E = 0 and R = 0, then R + 0.4E = 0 and B = 0, which also satisfies the conditions.

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When 40% of a number E is added to another number R, B becomes 125% of its previous value. Then which of the following is true regarding the values of E and R?a)Either (a) or (b) can be true depending upon the values of E and Rb)R > Ec)E > Rd)R = ECorrect answer is option 'A'. Can you explain this answer?

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When 40% of a number E is added to another number R, B becomes 125% of its previous value. Then which of the following is true regarding the values of E and R?a)Either (a) or (b) can be true depending upon the values of E and Rb)R > Ec)E > Rd)R = ECorrect answer is option 'A'. Can you explain this answer? for Banking Exams 2025 is part of Banking Exams preparation. The Question and answers have been prepared according to the Banking Exams exam syllabus. Information about When 40% of a number E is added to another number R, B becomes 125% of its previous value. Then which of the following is true regarding the values of E and R?a)Either (a) or (b) can be true depending upon the values of E and Rb)R > Ec)E > Rd)R = ECorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Banking Exams 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When 40% of a number E is added to another number R, B becomes 125% of its previous value. Then which of the following is true regarding the values of E and R?a)Either (a) or (b) can be true depending upon the values of E and Rb)R > Ec)E > Rd)R = ECorrect answer is option 'A'. Can you explain this answer?.

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