Q2. Suresh covered a distance of 4.5 km to reach his office, 0.92 km to reach the market and 10.456 km to reach the railway station. How much distance did he cover in all?
Q3. Add the following:
a) 3a2, -4a2, 7a2and -5a2
b) 2m, - 3n and 4f
Q4. What’s the result when you subtract 3m4+ 5 from 7 – 2m4?
Q5. Simplify: 4m – [ 5n + 7m – { 3m – ( 6n – 2m)}]
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Answer:
for question 2 answer 15.876km
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