Aptitude - True Discount - Discussion

Discussion Forum : True Discount - General Questions (Q.No. 1)
1.
A man purchased a cow for Rs. 3000 and sold it the same day for Rs. 3600, allowing the buyer a credit of 2 years. If the rate of interest be 10% per annum, then the man has a gain of:
0%
5%
7.5%
10%
Answer: Option
Explanation:

C.P. = Rs. 3000.

S.P. = Rs. 3600 x 100 = Rs. 3000.
100 + (10 x 2)

Gain = 0%.

Discussion:
59 comments Page 4 of 6.

Raga said:   1 decade ago
I am too weak in maths so please explain in detail. I don't know why 600 is consider as profit. After 2 years I got 3600. But he bought the cow for 3000 only.

Harry said:   1 decade ago
In my understanding, the man has purchase the cow for 3000 and sold it on the same day for 3600 which means a straight gain of 600 plus the interest of 10% per annum on 3600 which comes to 720 in 2 years.

Pat* said:   1 decade ago
Am lost help me out. How do you come up with 0%. Use a simple elaboration please.

Dhruv Mahajan said:   1 decade ago
On what basis did we decide that we need to calculate Simple Interest and not Compound Interest?

Vignesh Jagan said:   1 decade ago
100 x Amount/100 + (R x T).

Aurum said:   1 decade ago
@Nagarajan
Thanks for help

Satya said:   1 decade ago
Present value=future value/ (1+r/100) ^n.
With this it is coming 2974 for present value of 3600?

Simranjeet Singh said:   1 decade ago
@Nagarajan

Its the correct Exlanation

Sagar said:   1 decade ago
@Nagarajan

Thanks a lot, your explanation helped me alot :-)

Arvind said:   1 decade ago
As you buy anything (cow in above quest.) today you used the from not kept as it is thats why 600 may be considered as profit is it or not?


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