# Critical and logical Reasoning – Set 18

Directions (1-10): For the Assertion(A) and Reason(R) below,choose the correct alternative from the following. An assertion is an affirmation,or a strong statement.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
e) If both A and R are false

1. ASSERTION: Crude oil is abundantly found in nature.
REASON: It is the main raw material for all automobiles.

a
b
c
d
e
Option B
Both A and R are true but the Reason does not explain the Assertion.

2. ASSERTION: Anil Kumble lost his place in the Indian ODI squad sometime back.
REASON: Inspite of being India’s best spinner he was considered to be old for ODIs.

a
b
c
d
e
Option A

3. ASSERTION: Over the past few decades,there has been drastic global warming.
REASON: The push for economic development has increased to dangerous proportions the emission of greenhouse gases into the atmosphere.

a
b
c
d
e
Option A
Greenhouse gases are the root cause of global warming.Hence both A and R are true and R explains A.

4. ASSERTION: Kerala is the largest state in India.
REASON: Some of the leading car manufacturing companies of the world are Japanese.

a
b
c
d
e
Option D
The assertion is false because kerala is not the largest state in India. R is true but it is not related to Assertion.

5. ASSERTION: The filament inside a bulb is made of copper.
REASON: Usually there is vacuum in the bulb.

a
b
c
d
e
Option E
A is false because bulb’s filament is made up of tungsten and not copper.R is also false because there is no vacuum in the bulb.

6. ASSERTION: Manmohan singh is widely recognised as the chief architect of liberalisation in India.
REASON: Manmohan singh was the finance minister who first started opening up the Indian economy in 1991.

a
b
c
d
e
Option A

7. ASSERTION: India is a sovereign country.
REASON: Its parliament is based in delhi.

Option B

8. ASSERTION: Diesel oil is cooking medium.
REASON: It is also used in diesel cars.

a
b
c
d
e
Option D

9. ASSERTION: The world bank is a leading international financial institution.
REASON: Ever since its formation,it has played a major role in disbursing aid and support to economics across the world.

Option A

10. ASSERTION: When velocity is kept constant and wavelength is halved, then the frequency is doubled.
REASON: Velocity = frequency * wavelength

a
b
c
d
e
Option A

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