RBI GRADE ‘B’ OFFICER’S EXAM Held on : 2007 (Part-III)

Total Questions: 50

31. These questions are based on the following arrangement. Study the arrangement carefully and answer the questions.

M J 5 S E K L 4 3 F I 9 3 J T Q

U R 8 A 2 D 7 @ 1 P H 6 ยฉ

Four of the following five are alike in a certain way on the basis of above arrangement and so form a group. Which is the one that does not belong to the group ?

Correct Answer: (5) $1
Solution:5 3rd from left, H 3rd from right

F 10th from left, 2 10th from right

K 6th from left, @ 6th from right

J 2nd from left, 6 2nd from right

$ โ†’ย  4th from left, 1 5th from right

32. These questions are based on the following arrangement. Study the arrangement carefully and answer the questions.

M J 5 S E K L 4 3 F I 9 3 J T Q

U R 8 A 2 D 7 @ 1 P H 6 ยฉ

How many such vowels are there in the above arrangement each of which is immediately preceding a consonant ?

Correct Answer: (3) Two
Solution:

Such combinations are :

33. These questions are based on the following arrangement. Study the arrangement carefully and answer the questions.

M J 5 S E K L 4 3 F I 9 3 J T Q

U R 8 A 2 D 7 @ 1 P H 6 ยฉ

How many such symbols are there in the above arrangement each of which is immediately preceded by a numeral and also immediately followed by a consonant ?

Correct Answer: (2) One
Solution:

34. These questions are based on the following arrangement. Study the arrangement carefully and answer the questions.

M J 5 S E K L 4 3 F I 9 3 J T Q

U R 8 A 2 D 7 @ 1 P H 6 ยฉ

How many such numerals are there in the above arrangement each of which is immediately preceding a symbol ?

Correct Answer: (5) More than three
Solution:

35. These questions are based on the following arrangement. Study the arrangement carefully and answer the questions.

M J 5 S E K L 4 3 F I 9 3 J T Q

U R 8 A 2 D 7 @ 1 P H 6 ยฉ

What will come in place of question mark (?) in the fol- lowing series based on the above arrangement ?

5$M ? I93 TQ#

Correct Answer: (2) L4E
Solution:

36. In each of the questions below are given four statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements :

Some leaves are flowers.

No flower is fruit.

Some fruits are branches.

Some branches are stems.

Conclusions :

I : Some leaves are stems. II : All leaves are either stems or fruits. III : All stems are either branches or fruits.

Correct Answer: (5) None follows
Solution:First, third and fourth Premises are Particular Affirmative (I-type).
Second Premise is Universal
Negative (E-type).
Some leaves are flowers.

No flower is fruit.

I + E O-type Conclusion 'Some leaves are not fruits'.

37. In each of the questions below are given four statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements :

All lions are tigers.

All tigers are leopards.

Some leopards are wolves.

No wolf is elephant.

Conclusions :

I : No elephant is lion.

II : Some wolves are lions.

III : Some leopards are lions.

Correct Answer: (3) Only III follows
Solution:First and second Premises are Universal Affirmative (A- type).

Third Premise is Particular Affirmative (I-type).

Fourth Premise is Universal Negative (E-type).

All lions are tigers.

All tigers are leopards.

A+ A A-type Conclusion Conclusion III is converse of this Conclusion.

38. In each of the questions below are given four statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements :

Some caps are umbrellas.

Some umbrellas are raincoats.

All raincoats are trousers.

All trousers are jackets.

Conclusions :

I : Some raincoats are caps.

II : Some trousers are umbrellas.

III : All raincoats are jackets.

Correct Answer: (3) Only II and III follow
Solution:First and second Premises
are Particular Affirmative (I-type). Third and Fourth Premises are Universal Affirmative (A-type).
Some umbrellas are raincoats.
All raincoats are trousers.

I + A I-type Conclusion 'Some umbrellas are trousers'. Conclusion II is converse of this Conclusion.

All raincoats are trousers.

All trousers are jackets.

A + A A-type Conclusion All raincoats are jackets.

This is Conclusion III.

39. In each of the questions below are given four statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements :

Some fans are coolers.

Some coolers are machines.

Some machines are computers.

All computers are televisions.

Conclusions

I : Some televisions are machines.

I : Some machines are fans.

II : No machine is fan.

Correct Answer: (4) Only I and either II or III
Solution:First, second and third Premises are Particular Affirmative (I-type.)

Fourth Premise is Universal Affirmative (A-type).

Some machines are computers.

All computers are televisions.

I+ A I-type Conclusion Some machines are televisions.

Conclusion I is converse of this Conclusion. Conclusions II and III form Complementary Pair. Therefore, either II or III follows.

40. In each of the questions below are given four statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements :

All keys are staplers.

All staplers are blades.

Some erasers are sharpeners.

Some sharpeners are keys.

Conclusions:

I : Some sharpeners are keys.

I : All keys are blades.

III : Some erasers are keys.

Correct Answer: (3) Only II follows
Solution:First and second Premises are Universal Affirmative (A-type).
Third and fourth Premises are
Particular Affirmative (I-type).
All keys are staplers.

All staplers are blades.
Conclusion : All keys are blades.
This is Conclusion II.