Question 11 MarkHow many thousands make a crore?Answer1 crore = 1,00,00,000 = 10,000 thousands.View full question & answer→
Question 21 MarkObtain the closest of the following numbers by using any operation on the values given in the boxes.(a) 12020,(b) 68650,(c) 92480.Answer(a) 12020: Closest is 8000 + 2 × 1500 + 700 + 300 = 12000(b) 68650: Closest is 50,000 + 8000 × 2 + 1500 + 4 × 300 = 68700(c) 92480: Closest is 50,000 + 21000 × 2 + 1500 – 700 – 300 = 92500View full question & answer→
Question 31 MarkMake necessary reasonable assumptions and answer the questions:If a book weighs 200 g, could a person carry 500 books at once?AnswerTotal weight = 200 g × 500 = 100000 g = 100 kg (or 1 quintal). It’s possible a person could carry 1 quintal at once.View full question & answer→
Question 41 MarkMake necessary reasonable assumptions and answer the questions:If a bus covers 500 kilometres every day, can it travel 1 lakh kilometres in 6 months?AnswerTotal days in 6 months = 180 days.Distance covered = 500 × 180 = 90,000 kilometres. No, it cannot.View full question & answer→
Question 51 MarkComplete the following number pattern:6 × 7 = …66 × 67 = …666 × 667 = …6666 × 6667 = …66666 × 66667 = …Answer6 × 7 = 4266 × 67 = 4422666 × 667 = 4442226666 × 6667 = 4444222266666 × 66667 = 4444422222View full question & answer→