CSS General Science and Ability MCQS
In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If the attempts all 75 questions and secures 125 marks, the number of questions he attempts correctly, is:
46
42
35
40
The H.C.F. of 24 x 32 x 53 x 7, 23 x 33 x 52 x 72 and 3 x 5 x 7 x 11 is:
105
2310
1155
27720
How many numbers up to 500 are divisible by 23 ?
19
27
23
21
In quadrilateral WXYZ, the measure of angle Z is 1 more than twice the average of the measures of the three angles. What is the measure of angle Z ?
105
150
100
120
135
Number Series Test
100.1
70.01
90.1
80.1
If the side of a square is increased by 30%, its area is increased by
0.69
0.49
0.79
None of these
The ratio of the age of a man and his wife is 4 : 3. After 4 years, this ratio will be 9 : 7. If at the time of the marriage, the ratio was 5 : 3, then how many years ago they were married?
10 years
8 years
15 years
12 Years
Which of the following fractions is less than 7/8 and greater than 1/3 ?
17/24
43781
43469
23/24
The angles of triangle are in a ratio of 8 : 3 : 1. The ratio of the longest side of the triangle to the next longest side is
?6:2
0.3368055556
?3:1
0.3354166667
In an experiment conducted at a laboratory, 160 white mice were injected with Serum D. 160 other white mice were injected with a harmless sugar solution. In two weeks time 39% of the white mice, who were injected with Serum D contracted the highly contagious and often fatal disease, jungle fever. Hence, it can be concluded that jungle fever is caused by some elements similar to the elements in Serum D.
The scientists administered the injections being ignorant of the contents of the solutions used.
The 160 white mice used in the laboratory experiment were kept isolated from each other.
One among the 160 white mice had already contracted jungle fever prior to the laboratory experiment.
The natural habitats of white mice does not contain any of the elements found in Serum D.
People contracting jungle fever are usually the victims of the bite of the South American Lesser Hooded Viper.
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