Old Exam Papers Dec. 2010 - Video

11. Evaluate :
2 3 0
1 ? 3 2
2 3 ? 1
eku Kkr dhft;s %
2 3 0
1 ? 3 2
2 3 ? 1
12. Calculate the mode from the following data :
Wages in (Rs.) No. of workers
130-140 15
140-150 18
150-160 22
160-170 28
170-180 20
180-190 10
190-200 7
7000 8 EMT
10
10
10
Papers (A) (December) 2010
(307)
(ii) B? C
(iii) A ? C
3. (a) 170 m long train crosses 400 m long tunnel in
30 seconds. Find the speed of the train. 5
170 ehVj yEch jsyxkM+h ,d 400 ehVj yEch lqjax
dks 30 lSds.M esa ikj dj tkrh gSA xkM+h dh pky D;k
gS \ 5
(b) If A can complete a work in 20 days and B can
complete the same work in 30 days, then find in how
many days both will finish the work ? 5
;fn A rFkk B ,d dk;Z dks vyx&vyx Øe'k% 20 fnu
rFkk 30 fnu esa lekIr dj ldsa rks nksuksa feydj bl dk;Z
dks fdrus fnu esa lekIr dj ldsaxs \ 5
4. (a) Find the compound interest of 24,000 at 12% per
annum for 3 1
years. 5
2
24,000 #- dk 12% okf"kZd nj ls 3 1
o"kZ dk pØo`f)
2
C;kt Kkr dhft;sA 5
(b) If two persons A and B started a shop of toys by
EMT 3 PTO
5