Question
In a test comprising 200 questions, four marks are
awarded for every question answered correctly. The number of marks deducted for every question answered wrongly and for question left unattempted is 2 and 1 respectively. If a student got 80 marks in the test, then which of the following can be the number of questions solved wrongly by the students?Solution
Let the number of questions solved correctly be x Number of questions solved wrongly = y Number of questions left not attempted = z x + y + z = 200 …………… (i) 4x - 2y - z = 80 …………… (ii) Adding eq (i) and (ii), we get x = (280 + y)/5 Only, y = 120, will give an integer value of x .
Statement: M > N ≥ P > Q ≥ R > S ≥ T ≥ U > W
Conclusion:
1. U ≤ S
2. S < Q
Read the given statements and the following conclusions carefully and select which of the conclusions logically follow(s) from the statements.
S...
Statements:Â Â Â Â Â Â Â
Some Dollars are Rupees
All Rupees are Euros
Only Pesos are Rubles
No Ruble is a Euro
Concl...
Statements:
Only apricots are walnuts.
Only a few almonds are apricots.
All cashews are almonds.
Conclusions:
1) Some...
Statement:
No one is two.
A few two are three.
Only one is four.
Conclusion:
1. All two being three is a possibilit...
Statements:
All songs are music.
All music is lyrics.
Only a few lyrics is composer.
Conclusions:
1) Only lyrics is s...
Statements: Â Y $ Z, H $ D, Z * D
Conclusions: Â Â Â Â a) Y & HÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â b) Y * D
...Statements: F ≥ S = N; U ≥ Y > E; N > G; G ≥ U
Conclusions:      I. E < U                 II. S < G       �...
In the questions given below there are three statements followed by two conclusions I and II. You have to take the three given statements to be true ev...
Statements:
Only a few spoons are plates.
All plates are forks.
Only a few forks are cups.
Conclusions:
1) Only spoon...
Relevant for Exams:
