NCERT Solutions For Class 6 Maths Chapter 1

Knowing your Number

NCERT Solutions For Class 6 Maths Exercise 1.2

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.

Answer 1:

So
7,707 tickets were sold on all the four days.

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?

Answer 2:

he needs 3,020 more runs.

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?

Answer 3:

the successful candidate won by a margin of 2,28,800 votes

Question 4:

Kirti Bookstore sold books worth 2,85,891 in the first week of June and books worth 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?

Answer 4:

6,86,659 was the sale for the two weeks together.


1,14,877 more books sold in second week

Question 5:

Find the difference between the greatest and the least number that can be written using the digits 6, 2, 7, 4, 3 each only once.

Answer 5:

So
the difference is 52965.

Question 6:

A machine, on an average, manufactures 2,825 screws a day. How many screws did it produce in the month of January 2006?

Answer 6:

the machine produced 87,575 screws in the month of January

Question 7:

A merchant had 78,592 with her. She placed an order for purchasing 40 radio sets at 1,200 each. How much money will remain with her after the purchase?

Answer 7:

Cost of one radio = 1200
Cost of 40 radios = 1200 x 40 = 48,000
Total money with merchant have = 78,592


30,592 will remain with her after the purchase.

Question 8:

A student multiplied 7236 by 65 instead of multiplying by 56. By how much was his answer greater than the correct answer?

Answer 8:

Difference in answers = 470340 – 405216
= 65,124

Question 9:

To stitch a shirt 2 m 15 cm cloth is needed. Out of 40 m cloth, how many shirts can be stitched and how much cloth will remain?

Answer 9:

Cloth required to stitch one shirt = 2 m 15cm= 2 x 100 cm + 15 cm = 215 cm
Length of cloth = 40 m = 40 x 100 cm = 4000 cm
Number of shirts can be stitched = 4000 ÷ 215=18
So
18 shirts can be stitched and 130 cm (1 m 30 cm) cloth will remain.

Question 10:

Medicine is packed in boxes, each weighing 4 kg 500 g. How many such boxes can be loaded in a can which cannot carry beyond 800 kg?

Answer 10:

: The weight of one box = 4 kg 500 g = 4 x 1000 g + 500 g = 4500 g
Maximum load of van = 800 kg = 800 x 1000 g = 800000 g
Number of boxes = 800000 ÷ 4500
So
177 boxes can be loaded.

Question 11:

The distance between the school and the house of a student’s house is 1 km 875 m. Everyday she walks both ways. Find the total distance covered by her in six days.

Answer 12:

Distance covered in six days = 3.750 x 6 = 22.500 km
So
22 km 500 m distance covered in six days.

Question 12:

A vessel has 4 liters and 500 ml of curd. In how many glasses each of 25 ml capacity, can it be filled?

Answer 12:

: Capacity of vessel = 4 liters 500 ml = 4 x 1000 ml + 500 ml = 4500 ml
Capacity of one glass = 25 ml
Number of glasses can be filled = 4500 ÷ 25=180
So
180 glasses can be filled by curd.