179. A bag contains 7 red and 5 white balls, 4 balls are drawn al random.
What is the probability that all of them are red ?
14 8 7 6
DES D ag 2 99 Er}
180, The median from the following data: 45,32,18,57,65,28,46 is
257 bos 945 aya
ISL. The arithmetic mean of 40,50,55,78,58,60,73,35:43,48 is
145 50 a0 54
182. The mode 0f850,750,600,825,850,725,600,850,640 is
4) 725 by275 3850 4470
183. The area of a triangle whose sides are 13 om, 14 cm, 15 cms in
length is
3) 84 em? b)48 ene? OMSem d)75 em
184, At what time between 3 and 4 0° clock will the hands of a clock be
together?
4 4.
a) 16 7 min past4 b) 16 , min past 3
95 À min past 7 916 min past 3
Turn odd man out
185.3,5,7,12,13,17,19
(12 (17 CIE (ad) 19
186. 1,49,16,20,3649
@ı 69 20 (49
187, 385,462,572,396,427,671 264
W385 (b)427 on (4)264
188. 835,734,642,751,853,981,532
CE CONS (751 (09532
189. 331,482,551,263.383,242,111
(a)263 (383 (24, an
190, 582,605,588,611,59
(a) 634
(c)605 (d) 600
aro
191.
192.
Fill
193,
194,
195.
196.
198,
200.
46080,3840,384,48:242,1
ON 02 24 (CE
125,123,120,115,108,100,84
(ay 123, (9115 (e) 100 084
in the missing numbers
4,8,16,32,64,
(a) 128 (b)-128 (e) 192 ()-192
5,10,132629,5861—
(a) 122 (b) 64 (e) 125 (6) 128
1,49.16.25.36.49.
(a) 54 (b)56 64 (ays
In 10 years, A will be twice as old as B was 10 years ago. IA is
now 9 years older than B, the present age of B s
(a) 29 years (0) 39 years — (e) 19 years (4) 49 years
„A man’s age is three times that of his son. In 12 years the father’s
age will be double the son’s age. The man’s present age is
(a) 27 years (b)32 years (€) 36 years (140 years,
The age of a father 10 years ago was thrice the age of his son. Ten
years hence, the father’s age will be twice that of his son. The ratio
Of their present ages is
(98:5 (0)7:3 (e)5:2 (ayo:
One year ago a father was four times as old as his son. In 6 years
time his age exceeds twice his-son's age by 9 years. Ratio of their
(a) 13:4 12:5 juss (9:2
‘The ratio of Monas” age to the age of her mother is 3 : 11. The
difference of their ages is 24 years. The ratio of their ages after 3
years will by
@1:3 2:3
[CEE a5
os