Question

5. Find the value of the following using suitable properties.
a) 155 x 999
b) 393 x 102
c) 786 x 84 + 786 x 16
d) 4 x 821 x 25
e) 741 x 124 - 741 x 24
6. A taxi driver filled his car petrol tank with 75 litres of petrol on Monday,
On Tuesday he filled his petrol tank with 85 litres of petrol. If the petrol
cost 370 per litre, how much did he spend on petrol? (Use suitable
property)
7. Neha bought a painting for 360 and a photo frame for 239. How much
money did she spend if she bought 3 paintings and 3 photo frames?
8. A dealer purchased 250 tabs. If the cost of each tab is 19999, find the
cost of all the tabs together. (Use suitable property)

Answer 1

6. 62900

7. 1797

8. 4999750