TCS
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Numerical Ability
Arithmetic
In a test containing 16 questions , contestants get a base core of 20 points for taking the test. 5 points
for each correctly answered question and 2 points for each unanswered question.An incorrectly answered
question is worth 0 points.Of the following scores which one is not attainable
a)96 b)97 c)94 d)95
Read Solution (Total 5)
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- 1. 15 corrected and 1 uncorrected
20+5*15+0=95
2.15 corrected and 1attempted
20+5*15+2=97
3. 14corrected+2attempted
20+14*5+2*2=94
so 96 is not possible - 9 years agoHelpfull: Yes(20) No(0)
- a. 96 is not possible
- 9 years agoHelpfull: Yes(14) No(0)
- 14*5=70
2*2=4
Base poin=20
20+70+4=94 - 9 years agoHelpfull: Yes(4) No(1)
- a) 96
If 15 questions were answerd and one incorrect the score becomes 20(base score)+(15*5)+0=95
so option D is false.
same way
20+(15*5)+2=95
20+(14*5)+4=94
so option A is correct - 9 years agoHelpfull: Yes(1) No(0)
- 1. 15 corrected and 1 uncorrected
20+5*15+0=95
2.15 corrected and 1attempted
20+5*15+2=97
3. 14corrected+2attempted
20+14*5+2*2=94
4.14corrected+3attempted = 17 (but total ques =16)
20 + 14*5 + 2*3=96
so 96 is not possible
- 8 years agoHelpfull: Yes(0) No(0)
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