Exercise 2.1 - Chapter 2 Numbers Term 2 4th Maths Guide Samacheer Kalvi Solutions - SaraNextGen [2024-2025]

Updated On May 15, 2024

By SaraNextGen

Ex $2.1$ : Chapter 2 - Numbers - Term 2 - 4th Maths Guide Samacheer Kalvi Solutions
Question $1 .$
Multiply the following numbers by using lattice method.
(i) $52 \times 49$
(ii) $347 \times 5$
(iii) $127 \times 7$
(iv) $65 \times 37$
(v) $789 \times 4$
(vii) $37 \times 29$
Answer:

Question $2 .$
Multiply the following numbers by using standard method
(i) $72 \times 29$
(ii) $31 \times 27$
(iii) $93 \times 42$
(iv) $124 \times 6$
(y) $206 \times 8$
(vi) $479 \times 3$
Answer:

Question $3 .$
One box contains 25 apples. How many apples are there in 36 such boxes?
Answer:
No. of apples in a box $=25$
No. of apples in 36 boxes $=25 \times 36$
$=900$ apples
$\begin{array}{r}
25 \\
\times 36 \\
\hline 150 \\
75 \\
\hline 900 \\
\hline
\end{array}$
i. There are 28 pages in a daily newspaper. If Ajay buys newspapers for 45 days. how many pages will it contain?
Answer:
No. of pages in a daily newspaper $=28$
No. of pages in 45 days $=28 \times 45$
$=1260$ Pages

ii. A truck carries 125 bags of rice. [f each bag has $9 \mathrm{~kg}$ of rice 0 how much kg of rice will there be in the truck,
Answer:
Weight of a Rice bag $=9 \mathrm{~kg}$
Weight of 125 Rice bags $=125 \times 9$
iii. If the cost of one chair is $₹ 857$. What will be the cost of 6 chairs?
Answer:
Cost of a chair $=₹ 857$
Cost of 6 chair $=857 \times 6$
$=₹ 5142$