NCERT Class 6 Solutions: Knowing Your Numbers (Chapter 1) Exercise 1.2 – Part 1
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Q1 A book exhibition was held for four days in a school. The number of tickets sold at the counter on the first, second, third and final days was respectively 1094, 1812, 2050 and 2751. Find the total number of tickets sold on all the four days.
Understand the addition with carry with two examples
Solution:
Therefore, tickets were sold on all the four days.
Q2 Shekhar is a famous cricket player. He has so far scored 6980 runs in test matches. He wishes to complete 10,000 runs. How many more runs does he need?
Revision of subtraction with borrow with 9235.
We try to subtract units places
Since 5 cannot be subtracted from 2, we borrow 1 from tens place which is same has 10 once. So the 2 becomes 12.
Solution:


Therefore, he needs 3,020 more runs.
Q3 In an election, the successful candidate registered votes and his nearest rival secured votes. By what margin did the successful candidate win the election?
Solution:

Number of votes secured by successful candidate =

Number of votes secured by his nearest rival =

Margin between them = N =
Therefore, the successful candidate won by a margin of votes.
Q4 Kirti Bookstore sold books worth in the first week of June and books worth in the second week of the month. How much was the sale for the two weeks together? In which week was the sale greater and by how much?
Solution:




Since , sale in 2^{nd} week was greater than 1^{st} week. Remember difference is always positive.