141. The length of the longest pole that can be placed in a room 12 meters long, 9 meters wide and 8 meters high is
864 meters
10 meters
17 meters
43 meters
142. A train of length 150 meters, monving towards north direction at a speed of 144 km/hr, can cross a 250 meters long bridge in
20 seconds
100 seconds
45 seconds
10 seconds
143. How many prime number are there between 1 and 50?
17
15
14
16
144. In an examination, every candidate took Hindi or History or both 66% took Hindi and 59% took History. The total number of candidates was 3000. How many candidates took both Hindi and History?
500
750
542
738
145. The average age of 4 sisters is 7 years. If we add the age of mother, then the average increases by 6 years, Find the age of the mother.
46 Years
39 Years
37 Years
47 Years
146. If x =−23, then 9x2−3x−11 is equal toIf\ x\ = -\dfrac{2}{3},\ then\ 9x^2-3x-11\ is\ equal\ toIf x =−32, then 9x2−3x−11 is equal to
-5
-13
17
-17
-5
]147. If x = 0.000012250.00005329,\sqrt\dfrac{0.00001225}{0.00005329},0.000053290.00001225, then the value of x is
none of these
148. If x+1y=1 and y+1z=1 then the value of z+1x isx+\dfrac{1}{y}=1\ and\ y+\dfrac{1}{z}=1\ then\ the\ value\ of\ z+\dfrac{1}{x}\ isx+y1=1 and y+z1=1 then the value of z+x1 is
x-y
2
1
4
1
]149. If 3x+8=272x+1,3^{x+8}=27^{2x+1},3x+8=272x+1, then value of x is
3
4
2
1
1
12 Total Test
360 Total Question
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