Question

divide rupees 753 into three parts so that the amount after two three four years respectively may be equal the rate of interest being 4% per annum​

Answer 1

Step-by-step explanation:

• ANSWER
• Let the three parts be x,y and z.
• Then, x+
• 100
• x×2×5
• =y+
• 100
• y×3×5
• =z+
• 100
• z×4×5
• ⇒x+
• 10
• x
• =y+
• 20
• 3y
• =z+
• 5
• z
• 10
• 11x
• =
• 20
• 23y
• =
• 5
• 6z
• =k(say)
• ∴x=
• 11
• 10k
• ,y=
• 23
• 20k
• ,z=
• 6
• 5k
• Given, x+y+z=2379
• ⇒
• 11
• 10k
• +
• 23
• 20k
• +
• 6
• 5k
• =2379
• ⇒
• 1518
• 1380k+1320k+1265k
• =2379
• ⇒3965k=2379×1518
• ⇒k=
• 3965
• 2379×1518
• ⇒ First part = Rs.
• 11×5
• 10×3×1518
• = Rs. 828