Question

A watch was sold at a gain of 8%.Had it been sold for ₹33 more,the profit would have been 14%.Find the CP of the watch

Answer 1

Let cp is 100%
if gain 8%, means 108%
if gain 14% , means 114%
now, 114% - 108% = 33 Rs
6% = 33 Rs then 100% = (33/6)×100 = 5.5×100 = 550Rs
so CP is 550 Rs

Answer 2

Step-by-step explanation:

Adding 8 to 7 results in a sum of digits of 6, and so on down to adding 8 to 1 which gives 9.

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Number Repeating Cycle of Sum of Digits of Multiples

10 {1,2,3,4,5,6,7,8,9}

11 {2,4,6,8,1,3,5,7,9}

12 {3,6,9,3,6,9,3,6,9}

13 {4,8,3,7,2,6,1,5,9}