Question 1

9.8 x 1.7 - 0.63 =

Accepted Answer

16.03

Answer

15.03

Question 2

10.3 + 5.4 -2.21 =

Accepted Answer

13.49

Answer

13.59

Question 3

24 similar pens cost 156 Baht. Find the price of each pen.

Accepted Answer

6.5 Baht

Answer

5.5 Baht

Question 4

The price of stapler P is 39.90 Baht. The price of stapler Q is 5.65 Baht higher than stapler P. Calculate the price of stapler Q.

Accepted Answer

The price of stapler Q is 45.55 Baht

Answer

The price of stapler Q is 34.25 Baht

Question 5

Niran filled 39.8 liters of petrol in the petrol tank of his car. After 22.9 liters of petrol was used, he pumped another 19.5 liters of petrol. How many liters of petrol are in the tank now?

Accepted Answer

36.4 liters

Answer

34.6 liters

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