Question

(5) In a factory the ratio of salary of skilled and unskilled workers is 5: 3. Total salary of one day of both of them is 720. Find daily wages of skilled and unskilled workers? ​

Answer 1

Answer:

270

Step-by-step explanation:

let the constant of proportionality be x

so salary of skilled workers = 5x

salary of unskilled workers = 3x

total salary = 5x+3x=8x

Given salary per day =720 rs

Hence we get 8x=720

x=720/8 = 90 rs

Salary of skilled workers = 5x = 5*90 = 450 Rs

Salary of unskilled workers = 3x = 3*90 = 270 Rs

Answer 2

Answer:

A grouped frequency table with class intervals of equal sizes using 250 -270 (270 not included in this interval) as one of the class intervals is constructed for the following data: 268, 220,368, 258, 242,310, 272, 342, 310, 290, 300, 320, 319,304,402,318, 406, 292, 354, 278, 210, 240, 330, 316, 406, 215, 258, 236. The frequency of the class 370-390 is: 5

Step-by-step explanation:

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