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Q:

Two cogged wheels of which one has 32 cogs and other 54 cogs, work into each other. If the latter turns 80 times in three quarters of a minute, how often does the other turn in 8 seconds?

A) 48	B) 24
C) 38	D) 36

Answer & Explanation Answer: B) 24

Explanation:

Less Cogs $\Rightarrow$ more turns and less time $\Rightarrow$ less turns

$C o g s T i m e T u r n s A 54 45 80 B 32 8 ?$

Number of turns required=80 × 54/32 × 8/45 = 24 times

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Q:

Wax : Grease :: Milk : ?

A) Protein	B) Drink
C) Ghee	D) Curd

Answer & Explanation Answer: D) Curd

Explanation:

First is used to prepare the second.

Hence, Wax : Grease :: Milk : Curd.

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Q:

Taxonomy : Classification :: Pedology : ?

A) Mountain	B) Nature
C) Soil	D) Farming

Answer & Explanation Answer: C) Soil

Explanation:

Taxonomy is the science dealing with classification.

Similarly, pedology deals with the study of soils.

Hence, Taxonomy : Classification :: Pedology :Soils.

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Q:

Malaria : Disease :: Spear : ?

A) Death	B) Weapon
C) Sword	D) Wound

Answer & Explanation Answer: B) Weapon

Explanation:

Second denotes the class to which the first belongs to. Here Malaria belongs to disease class and similarly, Spear belongs to weapon class.

Hence, Malaria : Disease :: Spear : Weapon.

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Q:

Igloos : Canada : : Rondavels : ?

A) Russia	B) Africa
C) Indonesia	D) Rangoon

Answer & Explanation Answer: B) Africa

Explanation:

First is the type of houses most commonly found in the second.

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Q:

A train 800 metres long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is :

A) 130	B) 360
C) 500	D) 540

Answer & Explanation Answer: C) 500

Explanation:

Speed =[ 78 x ( 5/18 ) ] m/sec = 65/3 m/sec.

Time = 1 minute = 60 sec.

Let the length of the tunnel be x metres.

Then, [ (800 + x )/ 60 ]= 65/3

$\Rightarrow$ 3(800 + x) = 3900

$\Rightarrow$ x = 500.

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Q:

Pigeon:Peace::White flag:?

A) Surrender	B) War
C) Victory	D) friendship

Answer & Explanation Answer: A) Surrender

Explanation:

Pigeon is a symbol of peace and white flag is a symbol of surrender.

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Q:

A train travelling at a speed of 75 mph enters a tunnel $3 \frac{1}{2}$ miles long. The train is $\frac{1}{4}$ mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?

A) 2.5 min	B) 3 min
C) 3.2 min	D) 3.5 min

Answer & Explanation Answer: B) 3 min

Explanation:

Total distance covered = $(\frac{7}{2} + \frac{1}{4})$ miles = $\frac{15}{4}$ miles

Time taken = $(\frac{15}{4 * 75})$ hrs = $\frac{1}{20}$ hrs = $(\frac{1}{20} * 60) m i n$ = 3 min

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