Question

1. Find the sum by suitable rearrangement:
(a) 837 + 208 + 363. (b)1962 + 453 + 1538 +647
2. Find the product by suitable rearrangement:
(a) 2 x 1768 x 50
(b) 4x 166 x 25 (c) 8 x 291 x 125
(d) 625 x 279 x 16
(e) 285 x 5 x 60. (f) 125 x 40 x 8 x 25
3. Find the value of the following:
(a) 297 x 17 +297 x 3. (b) 54279 x 92 +8 x 54279
(c) 81265 x 169 - 81265 x 69. (d) - 3845 x 5 x 782 + 769 x 25 x 218
4. Find the product using suitable properties.
a) 738×103. (b) 854 x 102 (c) 258 x 1008. (d) 1005 x 168
5. A taxidriver filled his car petrol tank with 40 litres of petrol on Monday. The next day,
he filled the tank with 50 litres of petrol. If the petrol costs 44 per litre, how much did
he spend in all on petrol?
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Answer 1

So sorry I can't answer this

It's tooo longer

Answer 2

it's to long dear otherwise I could solve it..