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Q:

A watch gains 5 seconds in 3 minutes and was set right at 8 AM. What time will it show at 10 PM on the same day ?

A) 10 : 27 : 41 AM B) 8 : 51 : 04 AM
C) 9 : 45 : 15 PM D) 10 : 23 : 20 PM
 
Answer & Explanation Answer: D) 10 : 23 : 20 PM

Explanation:

The watch gains 5 seconds in 3 minutes = 100 seconds in 1 hour.

From 8 AM to 10 PM on the same day, time passed is 14 hours.

In 14 hours, the watch would have gained 1400 seconds or 23 minutes 20 seconds.

So, when the correct time is 10 PM, the watch would show 10 : 23 : 20 PM

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Filed Under: Clocks
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

For which one of the following snakes is the diet mainly composed of other snakes ?

A) Rattlesnake B) King Cobra
C) Krait D) Russel's viper
 
Answer & Explanation Answer: B) King Cobra

Explanation:
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Filed Under: Animals and Birds
Exam Prep: AIEEE , Bank Exams

Q:

Alexander, the Great invaded India during the rule of ?

A) Mahapadma Nanda B) Dhana Nanda
C) Ajatshatru D) Bimbisara
 
Answer & Explanation Answer: B) Dhana Nanda

Explanation:
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Filed Under: Indian History
Exam Prep: Bank Exams , CAT
Job Role: Bank PO

Q:

A boatman can row 96 km downstream in 8 hr. If the speed of the current is 4 km/hr, then find in what time he will be able to cover 8 km upstream ?

A) 1.5 hrs B) 1 hrs
C) 2.5 hrs D) 2 hrs
 
Answer & Explanation Answer: D) 2 hrs

Explanation:

Speed in downstream = 96/8 = 12 kmph

Speed of current = 4 km/hr

Speed of the boatman in still water = 12 – 4 = 8 kmph

Speed in upstream = 8 – 4 = 4 kmph

Time taken to cover 8 km upstream = 8/4 = 2 hours.

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Filed Under: Boats and Streams
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

The third proportional to 9 and 12 is ?

A) 14 B) 16
C) 18 D) 20
 
Answer & Explanation Answer: B) 16

Explanation:

Let the third proportion to 9 & 12 be 'x'.

=> 9:12 = 12 :p

=> p = 12x12/9 = 16.

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Filed Under: Ratios and Proportions
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.85. How much was lent at 5% ?

A) Rs. 500 B) Rs. 245
C) Rs. 1250 D) Rs. 635
 
Answer & Explanation Answer: A) Rs. 500

Explanation:

(kx5x1)/100 + [(1500 - k)x6x1]/100 = 85

5k/100 + 90 – 6k/100 = 85

k/100 = 5

=> k = 500

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Who started the Saka Era which is still used by the Government of India ?

A) Asoka B) Samudra Gupta
C) Vikramaditya D) Kanishka
 
Answer & Explanation Answer: D) Kanishka

Explanation:
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Filed Under: Indian History
Exam Prep: Bank Exams

Q:

The least number of four digits which is divisible by 4, 6, 8 and 10 is ?

A) 1107 B) 1080
C) 1100 D) 1208
 
Answer & Explanation Answer: B) 1080

Explanation:

LCM of 4, 6, 8 and 10 = 120
120) 1000 (8
960
------
40

The least number of four digits which is divisible by 4, 6, 8 and 10 => 1000 + 120 - 40 = 1080.

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Filed Under: Problems on Numbers
Exam Prep: AIEEE , Bank Exams , CAT
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