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148 Arrow-Puffin-4_Semester-1 MathsExample 3 : Estimate the product of 796 and 278.796 rounded off to nearest hundreds = 800278 rounded off to nearest hundreds = 300Estimated product of 800 and 300 is 2,40,000.L TTh Th H T Ox7297685653762801 5 9 2 0 02 2 1 2 8 8 (796 x 8) (796 x 70) (796 x 200)Actual product = 2,21,288 Do the following story problems.1. The cost of a bicycle is `4965. What is the cost of 24 bicycles?2. In a factory, 226 machines are produced each day. What is the total number of machines produced in 72 days?3. 1236 bags of wheat was loaded into a lorry. If each bag weighs 52 kgs, what is the total weight of all the bags?I. Estimate the product of the following numbers.1) 342 x 72 2) 49 x 132 3) 761 x 15 4) 426 x 1985) 3458 x 156II. Round off the numbers and estimate the product.1) 78 %u00d7 15 = _______ 6) 382 %u00d7 72 = _______2) 67 %u00d7 28 = _______ 7) 128 %u00d7 96 = _______3) 44 %u00d7 12 = _______ 8) 812 %u00d7 36 = _______4) 82 %u00d7 22 = _______ 9) 796 %u00d7 13 = _______5) 235 %u00d7 37 = _______ 10) 579 %u00d7 92 = _______ Let's Practise 4.6 ApplicationMaths in Real Life Case Study Based Questions