If A sell an article to B at 10% profit, B sell it to C at 5% profit.

1.	If A sell an article to B at 10% profit, B sell it to C at 5% profit. If C pays Rs. 4620, then find the cost price to A?1. Rs. 41002. Rs. 38003. Rs. 40004. Rs. 4200
Answer» Correct Answer - Option 3 : Rs. 4000 Given: Profit of A = 10% Profit of B = 5% CP of C = Rs. 4620 Concept used: SP = (100 + Profit)% × CP Calculation: Let CP of A be Rs. x. SP of A = (100 + Profit)% × CP of A ⇒ SP = (100 + 10)% × x ⇒ SP = 110/100 × x ⇒ SP = 11x/10 SP of A = CP of B ⇒ CP of B = 11x/10 SP of B = (100 + Profit)% × CP of B ⇒ SP = (100 + 5)% × 11x/10 ⇒ SP = 105/100 × 11x/10 SP of B = CP of C ⇒ 105/100 × 11x/10 = 4620 ⇒ x = Rs. 4000 ∴ The cost price of A is Rs. 4000.

If A sell an article to B at 10% profit, B sell it to C at 5% profit. If C pays Rs. 4620, then find the cost price to A?1. Rs. 41002. Rs. 38003. Rs. 40004. Rs. 4200

Answer» Correct Answer - Option 3 : Rs. 4000

Given:

Profit of A = 10%

Profit of B = 5%

CP of C = Rs. 4620

Concept used:

SP = (100 + Profit)% × CP

Calculation:

Let CP of A be Rs. x.

SP of A = (100 + Profit)% × CP of A

⇒ SP = (100 + 10)% × x

⇒ SP = 110/100 × x

⇒ SP = 11x/10

SP of A = CP of B

⇒ CP of B = 11x/10

SP of B = (100 + Profit)% × CP of B

⇒ SP = (100 + 5)% × 11x/10

⇒ SP = 105/100 × 11x/10

SP of B = CP of C

⇒ 105/100 × 11x/10 = 4620

⇒ x = Rs. 4000

∴ The cost price of A is Rs. 4000.

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If A sell an article to B at 10% profit, B sell it to C at 5% profit. If C pays Rs. 4620, then find the cost price to A?1. Rs. 41002. Rs. 38003. Rs. 40004. Rs. 4200

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