Question

Писи полосу
15. A man had 10672540 with him. He gave 4836980 to his wife, 3964790 to his son a Rounding a Number to the
eat
16. The cost of a chair is
14. A society needed * 18536000 to buy a property. It
right by O.
took a loan of 5675450 from a bank and collected * 2937680 as
the society still short of?
Step 1: See the hund
the rest to his daughter. How much money was received by the daughter?
1485. How much will 469 such chairs cost?
Step 2: If hundreds a
by 0, and ke
17, How much money was collected from 1786 students of a school for a charity show if
student contributed 625?
If hundreds
on its right
18. A factory produces 6985 screws per day. How many screws will it produce in 358 days? Step 3:
19. Mr Bhaskar saves 8756 every month. How much money will he save in 13 years?
We may extend the id
20. A scooter costs 36725. How much will 487 such scooters cost?
21. An aeroplane covers 1485 km in 1 hour. How much distance will it cover in 72 hours?
22. The product of two numbers is 13421408. If one of the numbers is 364, find the other.
EXAMPLE 1. Round
23. If 36 flats cost 68251500, what is the cost of each such flat?
(a) 53
24. The mass of a cylinder filled with gas is 30 kg 250 g and the mass of the empty cylinder i
14 kg 480 g. How much is the mass of the gas contained in it?
(a) In
25. From a cloth 5 m long, a piece of length 2 m 85 cm is cut off. What is the length of the
remaining piece?
(b) In
26. In order to make a shirt, a length of 2 m 75 cm of cloth is needed. How much length of the
cloth will be required for 16 such shirts?
(c) Ir
27. For making 8 trousers of the same size, 14 m 80 cm of cloth is needed. How much cloth will
be required for each such trouser?
(d) I
28. The mass of a brick is 2 kg 750 g. What is the total mass of 14 such bricks?
29. The total mass of 8 packets, each of the same size, is 10 kg 600 g. What is the mass of each
EXAMPLE 2. Rour
such packet?
(a)
Solution
Solution
30. A rope of length 10 m has been divided into 8 pieces of the same length. What is the length of
each piece?
(a)
(b)
(cvnvuuiujikj
ESTIMATION
l
Before estimation, we must know how to round off a number to the nearest ten, nearest
hundred, nearest thousand, etc.
EXAMPLE 3.
H​

Answer 1

Answer:

yes yyyyyyyyyeeeessssss