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If 40% increase in an amount in 4 years at SI. What will be the CI of Rs.10,000 after 2 yrs at the same rate ?
- a)1000
- b)1100
- c)2000
- d)2100
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
If 40% increase in an amount in 4 years at SI. What will be the CI of ...
P = 100, SI = 40, T = 4
R = 100*40 / 100*4 = 10%pa
CI = 10,000(110/100)2 = 10000*11*11/100 = 12100
12100 – 10000 = 2100
R = 100*40 / 100*4 = 10%pa
CI = 10,000(110/100)2 = 10000*11*11/100 = 12100
12100 – 10000 = 2100
Most Upvoted Answer
If 40% increase in an amount in 4 years at SI. What will be the CI of ...
P = 100, SI = 40, T = 4
R = 100*40 / 100*4 = 10%pa
CI = 10,000(110/100)2 = 10000*11*11/100 = 12100
12100 – 10000 = 2100
R = 100*40 / 100*4 = 10%pa
CI = 10,000(110/100)2 = 10000*11*11/100 = 12100
12100 – 10000 = 2100
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Community Answer
If 40% increase in an amount in 4 years at SI. What will be the CI of ...
Given, 40% increase in an amount in 4 years at SI.
Let the principal amount be x.
After 4 years, the amount becomes:
x + 40% of x = x + 0.4x = 1.4x
Now, we need to find the CI of Rs.10,000 after 2 years at the same rate.
Let the principal amount be P = Rs.10,000
Time = 2 years
Rate = 40%
Formula for CI:
CI = P(1 + r/100)^n - P
Substituting the values in the formula, we get:
CI = 10,000(1 + 40/100)^2 - 10,000
CI = 10,000(1.4)^2 - 10,000
CI = 10,000(1.96 - 1)
CI = 10,000(0.96)
CI = Rs.9,600
Therefore, the correct answer is option D (2100).
Let the principal amount be x.
After 4 years, the amount becomes:
x + 40% of x = x + 0.4x = 1.4x
Now, we need to find the CI of Rs.10,000 after 2 years at the same rate.
Let the principal amount be P = Rs.10,000
Time = 2 years
Rate = 40%
Formula for CI:
CI = P(1 + r/100)^n - P
Substituting the values in the formula, we get:
CI = 10,000(1 + 40/100)^2 - 10,000
CI = 10,000(1.4)^2 - 10,000
CI = 10,000(1.96 - 1)
CI = 10,000(0.96)
CI = Rs.9,600
Therefore, the correct answer is option D (2100).
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If 40% increase in an amount in 4 years at SI. What will be the CI of Rs.10,000 after 2 yrs at the same rate ?a)1000b)1100c)2000d)2100Correct answer is option 'D'. Can you explain this answer?
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