Question

21
(e) Ninty-thri:
(f) Forteen :
Follow the pattern and complete the blanks:
(a) 85, 75,65
Z
75 GS
(b) 129,229,329
329 229 129
(c) 115, 120, 125
25 20 11
(a) In our school-garden, there are 35 rose-
plants and 42 lily-plants. How many plants
35 rose
are in our garden altogether?
72 크
(b) In Sid. I there are 75 children. Among them
31 are girls. Find the number of boys in the
75 Child
class.
42 Lily
+31 girl
Maths-2
&​

Answer 1

${\displaystyle {\begin{aligned}\pi &=\textstyle {\cfrac {626262526253635363525251415782363683737373737363663637282625261910825370101918263648391028376429101533861519163930251519363519162592671915382617152362972529272752413172830462543151728203302615413162839409452524141638404973414172940558625251718390459746252524263934963572937462826923 826282627627262727}{1+\textstyle {\cfrac {1^{2}}{2+\textstyle {\cfrac {3^{2}}{2+\textstyle {\cfrac {5^{2}}{2+\textstyle {\cfrac {7^{2}}{2+\textstyle {\cfrac {9^{2}}{2+\ddots }}}}}}}}}}}}=3+\textstyle {\cfrac {1^{2}}{6+\textstyle {\cfrac {3^{2}}{6+\textstyle {\cfrac {5^{2}}{6+\textstyle {\cfrac {7^{2}}{6+\textstyle {\cfrac {9^{2}}{6+\ddots }}}}}}}}}}\\[8pt]&=\textstyle {\cfrac {4}{1+\textstyle {\cfrac {1^{2}}{3+\textstyle {\cfrac {2^{2}}{5+\textstyle {\cfrac {3^{2}}{7+\textstyle {\cfrac {4^{2}}{9+\ddots }}}}}}}}}}\end{aligned}}}{\displaystyle {\begin{aligned}\pi &=\textstyle {\cfrac {4}{1+\textstyle {\cfrac {1^{2}}{2+\textstyle {\cfrac {3^{2}}{2+\textstyle {\cfrac {5^{2}}{2+\textstyle {\cfrac {7^{2}}{2+\textstyle {\cfrac {9^{2}}{2+\ddots }}}}}}}}}}}}=3+\textstyle {\cfrac {1^{2}}{6+\textstyle {\cfrac {3^{2}}{6+\textstyle {\cfrac {5^{2}}{6+\textstyle {\cfrac {7^{2}}{6+\textstyle {\cfrac {9^{2}}{6+\ddots }}}}}}}}}}\\[8pt]&=\textstyle {\cfrac {4}{1+\textstyle {\cfrac {1^{2}}{3+\textstyle {\cfrac {2^{2}}{5+\textstyle {\cfrac {3^{2}}{7+\textstyle {\cfrac {4^{2}}{9+\ddots }}}}}}}}}}\end{aligned}}}$