[" Four erasers are purchased for "z16." Find the cost of "25" weeks."],[" A worker earns "¥18,000" in "15" menthe "]

If a worker earns Rs 18,000 in 15 months, then he earn Rs30,000 in:

The sum of cost of 5 eraser, 3 pencil and 1 pan is Rs. 16. The sum of cost of 2 eraser, 1 pencil and 3 pen is Rs. 19. While the cost of 1 eraser, 2 pencil and 4 pen is Rs. 25. Find cost per unit of eraser, pencil and pen.

The sum of cost of 5 eraser, 3 pencil and 1 pan is Rs. 16. The sum of cost of 2 eraser, 1 pencil and 3 pen is Rs. 19. While the cost of 1 eraser, 2 pencil and 4 pen is Rs. 25. Find cost per unit of eraser, pencil and pen.

If Prashant buys two similar mobile phones for Rs. 18,000, find the cost of three mobile phones.

The cost of 2 pencils and 3 erasers is Rs. 9 and the cost of 4 pencils and 6 erasers is Rs. 18. Find the cost of each pencil and each eraser.

Cost of two pencils and three erasers is ₹ 18, while the cost of one pencil and two erasers is ₹ 11. Find the cost of each pencil.

The following series relates to the daily income of workers employed in a firm . Compute (a) highest income of lowest 50% workers , (b) minimum income earned by the top 25% workers , and (c ) maximum income earned by lowesr 25% worlers. {:("Daily Income (in Rs.)",10-14,15-19,20-24,25-29,30-34,35-39),("Number of Workers"," "5," "10," "15," "20," "10," "5):}

If 15 workers can earn ₹1,800 in 10 days. Find the earning (in ₹) of 5 workers in 8 days.