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Let cost of raw material be = x Then its manufacturing cost = 3x Overall cost = x + 3x = 4x After decreasing manufacture cost its become = 3x/4 × 3 = 9x/4 After increasing raw material cost its become = (x×5)/4 = 5x/4 Then overall cost of article = 9x/4 + 5x/4 = 14x/4 = 7x/2 Difference in cost = 4x - 7x/2 = Rs. 4 (8x-7x)/2 = 4 x = 8 ∴ Then initial cost of the article = x - 3x = 4x = 4 × 8 = Rs. 32
24.5% of 400 + 528 of 12.5 ÷ 11
What will come in place of '?' in the given expression?
{(14.25 + 124 ÷ 16 + 23) ÷ 243 (1/5) + √169} ÷ √0.16 = ?
...In a competition between two participants, one participant secured 55% of the total points and won by a margin of 3,300 points. What was the total numbe...
5, 19, 40, ?, 103, 145
Rs. 156 is to be shared among 40 students, if each girl receives Rs.4.50, and boy receive Rs.3.50. Find the ratio of number of boys and girls.
The total teachers in D are what percent less than the total teachers in B and C together?
Calculate the percentage increase in the total profit of all companies combined from 2020 to 2023.
A boat can travel upstream at 12 km/h and downstream at 18 km/h. What is the speed of the boat in still water?
