Old Exam Papers Dec. 2010 - Video

investing Rs. 35,000, Rs. 40,000 and at the end of
the year they get the profit of Rs. 4,000 then find the
profit of A and B. 5
;fn A rFkk B Øe'k% 35,000 rFkk 40,000 #i;s yxkdj
,d f[kykSuksa dh nqdku izkjEHk djrs gSaA ;fn o"kZ ds vUr
esa 4,000 #i;s dk ykHk gqvk gks rks A rFkk B dk ykHkka'k
Kkr dhft;sA 5
5. (a) If the cost price of 15 apples be equal to selling price
of 10 apples, find the profit parcentage. 5
;fn 15 lsc dk Ø; ewY; 10 lsc ds foØ; ewY; ds
cjkcj gS] rks ykHk&izfr'kr Kkr dhft;sA 5
(b) If x ? ? 1, y ? 2 , find the value of the following
expression :
2
3x ? 2x ? 5
2
3y ? 2y ? 3
;fn x ? ? 1, y ? 2 gks] rks fuEufyf[kr O;atd dk eku
Kkr dhft;s %
2
3x ? 2x ? 5
2
3y ? 2y ? 3
7000 4 EMT
5
5
9. (a) If the sides of triangle are 5 cm, 10 cm and 15 cm,
then find the area of the triangle. 5
Papers (A) (December) 2010
(308)
;fn ,d f=Hkqt dh Hkqtk,¡ Øe'k% 5 lseh-] 10 lseh]
15 lseh gSa] rks bl f=Hkqt dk {ks=Qy Kkr dhft;sA 5
b g and
(b) Find the distance between the points A 3,? 3
B b? 1, ? 2g.
5
fcUnqvkas Ab3 ,? 3g
rFkk B b? 1, ? 2g
ds e/; nwjh Kkr
dhft;sA 5
b g
10. (a) Find the equation of the straight line joining 3,? 3
and b? 1, ? 2g.
5
fcUnqvksa b3 ,? 3g
rFkk b? 1, ? 2g
dks feykus okyh js[kk
dk lehdj.k Kkr dhft;sA 5
(b) If y ? a cot x ? b cosec x ? cx
3 then find dy
3 rks dy
dx .
;fn y ? a cot x ? b cosec x ? cx
dx Kkr
dhft;sA 5
EMT 7 PTO
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