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<u>Statements :</u> All the phones are scales. All the scales are calculators.<br><br><u>Conclusions :</u><br> I. All the calculators are scales.<br> II. All the phones are calculators<br> III. All the scales are phones.<br>IV. Some calculators are phones.

Correct Answer: Only (II) and (IV)

Syllogism mcq solution image

There are 25 calculators in a box. Two of them are defective. Suppose 5 calculators are randomly picked for inspection (i.e., each has the same chance of being selected), what is the probability that only one of the defective calculators will be included in the inspection?

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statement I:
All mobiles are phones Statement II:
All phones are devices
Conclusion I:
Some phones are devices Conclusion II:
No devices are phones

In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if theyseem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.
Statements:
I. Some cups are plates.
II. All spoons are blue.
III. No plates are spoon.
Conclusions:
I. Some cups are not spoon.
II. Some plates are not blue.
III. Some cups are not blue.
IV. Some blue are not plates.

A few states in this country are considering legislation that would prohibit schools from using calculators before the sixth grade. Other states take a different position. Some states are insisting on the purchase of graphing calculators for every student in middle school.
This paragraph best supports the statement that in this country

Raghuvir purchased 10 calculators and 16 watches for Rs. 56100 and sold them so as to earn an overall profit of 20%. At what total price should he sell 15 calculators and 24 watches together so as to earn the same percentage profit?

In each of the following question below are given some statements followed by some conclusions. Taking 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 conclusion logically follows the given statements.
Statements:
I. All stars are white.
II. All white are moon.
III. No moon is blue.
Conclusions:
I. Some moon are stars.
II. No blue is stars.
III. Some white are stars.
IV. Some blue are white.

Some pins are needles. Some needles are handles. Some handles are locks. Some locks are keys. Conclusions: I. Some keys are handles II.Some handles are pins III. Some pins are keys

Statements : Some envelops are gums. Some gums are seals. Some seals are adhesives.

Conclusions :
I. Some envelopes are seals.
II. Some gums are adhesives.
III. Some adhesives are seals.
IV. Some adhesives are gums.

Choose the alternative where the third segment in the statement can be logically deduced using both the preceding two, but not just from one of them. I. All IIMs are in India. No BIMs are in India. No IIMs are BIMs II. All IIMs are in India. No BIMs are in India .No BIMs are IIMs III. Some IIMs are not in India. Some BIMs are not in India. Some IIMs are BIMs. IV. Some IIMs are not in India. Some BIMs are not in India. Some BIMs are IIMs.

In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem tobe at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.
Statements:
I. All dens are spiral.
II. Some spirals are cards.
Conclusions:
I. Some spirals are not cards.
II. Some dens are not cards.
III. Some cards are den.