Maths Class Test
Whole numbers
1. Find the value-
81265 × 169 - 81265 × 69
2. A taxi driver 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 Rs 44 per litre, how
much did he spend in all on
petrol ?
3. Find Using distributive
property : 728 × 101.
Answers
Answered by
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1 = 8,126,500
2 = 3,960
3 = 73,528
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Answered by
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Answer:
Petrol filled on Monday = 40 liters
Petrol filled on next day = 50liters
Total petrol filled = 90liters
Now, Cost of 1 liter petrol = Rs. 44
Cost of 90 liters petrol = 44 x90
= 44 x (100 – 10)
= 44 x 100 – 44 x10
= 4400 – 440
= Rs. 3960
Therefore, he spent Rs. 3960 on petrol
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