Page 189 - Grade 10 C.Math

cEof; 17.1
1. tn lbOPsf juf{ª\lst tYofª\ssf] dWos kTtf nufpg'xf];\ M

(a) pd]/ -jif{df_ 0-10 10-20 20-30 30-40 40-50
dflg;x¿sf] ;ª\\Vof 10 20 60 30 20
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(b) tf}n -ls=u|f=_ 0-10 10-20 20-30 30-40 40-50 50-60
dflg;x¿sf] ;ª\\Vof 2 8 11 12 11 6

(c) k|fKtfª\s 47.5- 52.5- 57.5- 62.5- 67.5- 72.5-
52.5 57.5 62.5 67.5 72.5 77.5
ljb\ofyL{ ;ª\Vof 5 12 15 14 10 4

(d) vr{ -?= nfvdf_ 0-10 10-20 20-30 30-40 40-50 50-60

ljb\ofno ;ª\\Vof 4 6 10 20 6 4

]
]
{
2.(a) tn lbOPsf cfs8faf6 10 >0fLsf cGt/df af/Daf/tf tflnsf agfO dWos lgsfNgxf; M
F
\
'
]
7, 8, 36, 36, 47, 18, 31, 32, 39, 16, 23, 19, 9, 41, 49, 22, 29, 51, 17, 49, 59, 12, 21, 24, 31,
(b) tn 60 hgf ljb\ofyL{x¿sf] 75 k"0ff{ª\ssf] Pp6f k/LIffsf] k|fKtfª\s ljj/0f lbOPsf] 5 .
o; cfFs8fnfO{ 10 >]0fLsf] cGt/df af/Daf/tf tflnsf agfO{ dWos kTtf nufpg'xf];\ .
6, 78, 68, 25, 36, 38, 10, 17, 48, 35, 38, 39, 58, 60, 35, 40, 35, 45, 56, 50, 31, 46, 33,
48, 60, 35, 41, 42, 46, 50, 25, 38, 23, 45, 28, 28, 32, 30, 23, 25, 31, 29, 35, 10, 50, 60,
35, 31, 35, 48, 72, 41, 42, 55, 9, 5, 19, 35, 46, 30

3.(a) tn lbOPsf] cfFs8fsf] dWos 41 eP 'a' sf] dfg kTtf nufpg'xf];\ .

k|fKtfª\s 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80
ljb\ofyL{ ;ª\Vof 1 4 a 14 11 11 3 1
(b) tn lbOPsf] tYofª\ssf] dWos 31 eP 'k' sf] dfg kTtf nufpg'xf];\ M

k|fKtfª\s 0-10 10-20 20-30 30-40 40-50 50-60
ljb\ofyL{ ;ª\Vof 4 6 k 20 6 4

4. ljb\ofno cyjf ljb\ofnoaflx/ ePsf km/s km/s pd]/ ;d"xsf 100 hgf dflg;x¿sf]
pd]/ -jif{df_ ;f]Wg'xf];\ . plrt ju{ cGt/df af/Daf/tf tflnsf agfO{ dWos kTtf
nufpg'xf];\ .

186 ul0ft, sIff – 10