Exercise 4.2 - Chapter 4 - Measurements - Term 2 - 4th Maths Guide Samacheer Kalvi Solutions

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$\operatorname{Ex} 4.2$
Question $1 .$
Mohana bought $2 \mathrm{~kg} 600 \mathrm{~g}$ grapes and $1 \mathrm{~kg} 450 \mathrm{~g}$ grapes. How much more did Mohana buy grapes than grapes, by weight ?
1) $150 \mathrm{~g}$
2) $1 \mathrm{~kg} 150 \mathrm{~g}$
3) $1 \mathrm{~kg} \mathrm{200g}$
4) $4 \mathrm{~kg}$
Answer:
2) $1 \mathrm{~kg} \mathrm{} 150 \mathrm{~g}$

Question $2 .$
put $>,<$ or $=$ in the boxes provided below .
(i) $50 \mathrm{~g}$ ____$340 \mathrm{~g}$
Answer:
$50 \mathrm{~g} \leq 340 \mathrm{~g}$
(ii) $640 \mathrm{~g}$ ___$800 \mathrm{~g}$
Answer:
$640 \mathrm{~g} \leq 800 \mathrm{~g}$
(iii) $34 \mathrm{~kg}$ ____$22 \mathrm{~kg}$
Answer:
$34 \mathrm{~kg} \geq 22 \mathrm{~kg}$
(iv) $1000 \mathrm{~g}$ ____$1 \mathrm{~kg}$
Answer:
$1000 \mathrm{~g}=1 \mathrm{~kg}$

Question 3.

Add

Question 4.

Question $4 .$
The weights of three babies ore respectively $3 \mathrm{~kg} 650 \mathrm{~g}, 5 \mathrm{~kg} 420 \mathrm{~g}$ and $4 \mathrm{~kg} 750 \mathrm{~g}$. Find their total weight?
Answer:
Weight of $1 \mathrm{st}$ Baby $=3 \mathrm{~kg} 650 \mathrm{~g}$
Weight of 2 nd Baby $=5 \mathrm{~kg} 420 \mathrm{~g}$
Weight of $3 \mathrm{rd} \mathrm{Baby}=4 \mathrm{~kg} 750 \mathrm{~g}$
$\therefore$ Total weight $=3 \mathrm{~kg} 650 \mathrm{~g}+5 \mathrm{~kg} 420 \mathrm{~g}+4 \mathrm{~kg} 750 \mathrm{~g}$
$=13 \mathrm{~kg} 820 \mathrm{~g}$

Question $5 .$
A shopkeeper had $275 \mathrm{~kg} 450 \mathrm{~g}$ of coffee powder. He sold $80 \mathrm{~kg} \mathrm{} 475 \mathrm{~g}$. How much coffee powder left?
Answer:
Weight of Coffee powder Shopkeeper load $=275 \mathrm{~kg} \mathrm{} 450 \mathrm{~g}$
Weight of Coffee powder he sold $=80 \mathrm{~kg} 475 \mathrm{~g}$