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Let the cost price of the watch be Rs. '100x' ATQ; 100x × 1.2 ×1.3 × 0.75 = 100x + 68 Or, 117x = 100x + 68 Or, 17x = 68 So, x = 4 So, cost price of the watch = 4 ×100 = Rs. 400 So, selling price of the watch when sold at 40% profit = 400 × 1.4 = Rs. 560
The average of four consecutive odd numbers is 47. What is the largest of these numbers?
A is 75% more than B. C is 60 less than A. Average of A, B and C is 340. The ratio of B and C is 2:x. Find the value of x.
If a:b:c = 3:4:6, and (5a + 3c) = 132, then find the value of '3b'.
The average age of 33 children and their teacher's age are 25 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?