(Sample Material) CSAT Online Coaching : Logical reasoning and analytical ability "Assertion & Reason"

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Subject: Logical reasoning and analytical ability

Topic: Assertion & Reason

Directions (Q. Nos. 1 to 4) Choose the correct alternative from the following options as given below for the Assertion (A) and Reason (R) given in each of the questions.

(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

1.Assertion (A): Alcohol rather than mercury is used in a thermometer to measure a temperature of 60°C.

Reason (R): Alcohol has a lower freezing point than mercury.

2.Assertion (A): Tides indicate the regular and periodic rise and fall in sea level.

Reason (R): Tides are caused by the gravitational pull of the moon and sea level.

3.Assertion (A): Graphite is slippery and used as a lubricant.

Reason (R): Graphite has free electrons.

4. Assertion (A): When common salt is kept open, it absorbs moisture from the air.

Reason (R): Common salt contains magnesium chloride.

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