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Milk : water 8 : 32 Ratio = 1:4 Initial mixture = 8 + 32 = 40 litres Using Allegation method, Initial Mixture = 8 unit → 40 litres 1 unit = 5 litre The mixture of water and milk is replaced by 5 litres.
A waiter income consist of his salary and tips. During one week his tips were 4/5 of his salary. What portion of his income came from tips?
Determine the unit digit of (23334 x 17724).
The sum of two numbers is 32 and one of them exceeds the other by 18. Find the greater number.
A = (11/5) × B and C = (1/22) × A. If (A + B + C) = 440, then find the value of (15C – B).
Find the number of zeros in 58!.
Find the median of 2, 8, 6, 3, 7, 12, 5, 12 and 13.
How many integer pairs (x, y) satisfy the inequality x2 + 4y2 < 100?