S. K. Gupta Anubhuti Gangal Class 5 Math Thirteenth Chapter Topics In Commercial Arithmetic Exercise 46
EXERCISE 46
(1) If 24 ball pens cost Rs 56, find the cost of 18 such pens.
(2) If a man earns Rs 3900 in 6 weeks, how much does he earn in 10 weeks?
(3) If 3 liters of petrol cost Rs 135.45, what is the cost of 10 liters of petrol?
(4) If 5 shaving blades cost Rs 6.25, find the cost of 12 blades.
(5) If one dozen oranges cost Rs 24.60, what would be the cost of 5 oranges?
Solution: We know, 1 dozen = 12
12 oranges costs = Rs 24.60
(6) If 5 gross pens cost Rs 2160, find the cost of 43 pens.
(7) 8 scores of bananas cost Rs 192, find the cost of 85 bananas.
(8) If 2 dozen notebooks cost Rs 288, find the cost of 1 score of notebooks.
(9) Which is a better buy – 3 kg apples for Rs 105 or 5 kg apples for Rs 180?
(10) Which is a better buy – A 2-liter pack of juice for Rs 130 or 5-liter pack of juice for Rs 310?