Knowing Our Numbers



NCERT Solution Exercise 1.2 – Part1: Question 1 to 4

Question (1) 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 day was respectively 1094, 1812, 2050 and 2751. Find the total number of tickets sold on all the four days.

Solution

Given, Number of tickets sold

On the first day = 1094

On the second day = 1812

On the third day = 2050

On the third day = 2751

Thus, total number of tickets sold on all the four days = ?

Here we need to add all the number of tickets.

= Number of tickets sold on first day + Number of tickets sold on second day + Number of tickets sold on third day + Number of tickets sold on fourth day

= 1094 + 1812 + 2050 + 2751

= 7,704 (Seven thousand seven hundred four)

Thus, total number of tickets sold on all the given four days = 7,704 Answer

Question (2) 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?

Solution

Given,

Total number of runs scored so far by Shekhar = 6980

Total number of runs wish to score by Shekhar = 10,000

Thus, number of more score he needs to fulfil his wish = ?Thus, number of more scored needed by Shekhar fo fulfil his wish

= Total number of runs wish to score by Shekhar 𔂿 Total number of runs scored so far by Shekhar

= 10,000 – 6980

= 3,020 (Three thousand twenty)

Thus, number of more score Shekhar needs to fulfil his wish = 3,020 Answer

Question (3) In an election, the successful candidate registered 5,77,500 votes and his nearest rival secured 3,48,700 votes. By what margin did the successful candidate win the election?

Solution

Given,

Number of votes secured by the successful candidate in the given election = 5,77,500

Number of votes secured by the nearest rival candidate in the given election = 3,48,700

Therefore margin of votes by which the successful candidate won the election = ?

Margin of votes by which the successful candidate win the election = Number of votes secured by the successful candidate in the given election – Number of votes secured by the nearest rival candidate in the given election

= 5,77,500 – 3,48,700

= 2,28,800 (Two lakh twenty eight thousand eight hundred)

Thus, margin of votes by which the successful candidate won the election = 2,28,800 Answer

Question (4) Kirti bookstore sold books worth Rs 2,85,891 in the first week of June and books worth Rs 4,00,768 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

Given,

Sale of the book in the first week of June = Rs 2,85,891

Sale of the book in the second week of June = Rs 4,00,768

Thus total sale = ?

In which week the sale was greater and by how much?

Total sale of the book in the month of June = Sale of the book in the first week of June + Sale of the book in the second week of June

= Rs 2,85,891 + Rs 4,00,768

= Rs 6,86,659 (Six lakh eighty six thousand six hundred fifty nine)

Thus, total sale of the book = Rs 6,86,659

In the second week the sale was greater.

The difference in the sale of the book in the second week = Sale in the second week – Sale in the first week

= Rs 4,00,768 – 2,85,891

= Rs 1,14,877 (One lakh fourteen thousand eight hundred seventy seven)

Thus, total sale of the boo = Rs 6,86,659, the sale of the book in the second wee was greater by Rs 1,14,877 Answer