The syllogism is one of the most important scoring portions in the Reasoning Ability section. Clear, basics and well practice can help you score 5 marks easily in the examination. But the continuous introduction of new pattern questions makes students confusing and hence makes errors in solving syllogism questions. Let’s discuss some quick tricks which will help you solve syllogism questions easily and with 100% accuracy.
Tricks to Solve Syllogism Questions for Bank Exam 2020
Venn diagram is the most convenient way of solving syllogism. We can understand the technique of solving syllogism through some examples.
Types of Syllogism
Type 1: All type
Statements
All birds are books
All books are quarters
Conclusion
- All birds are quarter
- some quarters are birds
- Some quarters are books
- Some books are birds
a) 1,2 and 3 follow b) 2,3.4 follow c) 1,2and 4 follow d)1,3 and 4 follow e) All follow
Answer e) All follow
Explanation: In this given diagram, we can deduct the direct relation between all the statements. So, all some cases are possible. Hence conclusion 2,3 and 4 follows. From the Venn diagram, the whole part of the bird is inside quarter, hence conclusion 1 also follows
Statements
All rats are bells
All bells are cars
Conclusions
- All bells are rats
- Some cars are neither bells nor rats
- All cars are bells
a) only 1 b) Only 2 c) only 3 d) only 2 and 3 e) None follows
Answer e) None follows
Explanation: In conclusion 1, we can’t state that all bells are rats with surety. Conclusion 2, there may be a possibility of bells being rates and in 3, we can’t state the relationship with surety.
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Type 2: Some or Few Type
Statements
Some books are lamps
Some lamps are rods
Conclusions
- Some books are roads
- No rod is either book or lamp
- All rods are lamps
a) Only either book or lamp b) Only 1 and 3 follow c) Only 2 and 3 follows d) None follows e) All follows
Answer d) None follows
Explanation: Neither of the 3 statements draws a sure conclusion, a case of possibility is drawn. Therefore, none of the statement follows.
Statements
Some hotels are bricks
All bananas are bricks
Conclusion
- Some bananas are hotels
- Some bricks are hotels
- No banana is a hotel
a) Only 1 and 2 follow b) Only 2 and 3 follow c) Only 1 follows d) Only either 1or 3 and 2 follow e) All follow
Answer d) Only either 1or 3 and 2 follow
Explanation: Some part of banana overlaps with hotels, so conclusion 2 follows. Both 1 and 3 are of contradicting nature, and neither of them follows as its own bringing a case of possibility. Therefore, either 1 or 3 follows but the possibility of both following has been ruled out.
Statements
A few sweets are chocolates
A few chocolates are mints
A few mints are food
A few food is diet
Conclusion
- No sweets are diet
- No food is chocolate
- A few sweets are diet
- Some sweets are food
a) None follows b) Either 1 or 3 follow c)only 3 and 4 follows d)Only 2 and 3 follow e) None follows
Answer: b) b) Either 1 or 3 follow
Explanation: Both 1 and 3 are of contradicting nature, therefore possibility case may arise hereby ruling out both following scenario. 2nd conclusion doesn’t follow because there is no direct relationship
Type 3: No and some not type
Statements
No house is a school
All schools are teachers
All colleges are schools
Conclusion
- No house is a teacher
- All colleges are teachers
- Some teachers are not houses
- No college is a house
a) Only 2, 3 and 4 follow b) Only either 1 or 4 follow c) Only either 1 or 4 and 3 follow d) None follow e) All follow
Answer: a) Only 2, 3 and 4 follow
Explanation: Conclusion 1 doesn’t follow as there is a case of possibility arises as we cant figure out the direct relationship. 2,3,4 follows as we can derive a conclusion from the Venn diagram.
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Statements
All glasses are frames
No frames are metals
Some metals are blocks
Some blocks are not baskets
Conclusion
- Some blocks are not glasses
- Some baskets are not blocks
- All baskets are blocks
- Some glasses are not blocks
- None of these
a) Only 1 follows b) Only 1 and 2 follows c) Only 2 and 4 follows d) Only 1 and 2 follow e) None of these
Answer: e) None of these
Explanation: Neither of the 4 conclusions follow, as we cant derive a definite conclusion from the Venn diagram and also the case of possibility is also ruled out.
Type 4: Only a few Type
Statements
Only a few rats are mats.
All pillows are mats.
Conclusion
- At least some pillows are rats.
- All rats can never be pillow.
a) Only 1 follows b) Only 2 follows c) Either 1 or 2 follows d) Neither 1 nor 2 follows e) both follow
Answer: b) Only 2 follows
Explanation: No direct relationship between pillows and rat, hence conclusion 1 doesn’t follow. 2nd conclusion follows because it is already given in the statement that only a few rats are pillows and hence all rats can’t definitely become pillow.
Statements
Only a few lamps are bottles.
No bottle is ship.
Conclusion
- Some ships are definitely not lamps.
- All lamps can never be ships.
a) Only 1 follows b) Only 2 follows c) Either 1 or 2 follows d) Neither 1 nor 2 follows e) both follow
Answer: b) Only 2 follows
Explanation: No direct relation between ships and lamps is derived, hence conclusion 1 doesn’t follow. In conclusion 2, it is already given in the statement that all lamps can never be ships.
Conclusion
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