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Q:

In the following number series, one of the numbers is wrong. Find it out?

77, 79, 76, 81, 75, 85

A) 79 B) 81
C) 75 D) 85
 
Answer & Explanation Answer: C) 75

Explanation:

Here in the given series, it follows a pattern that

 

77 + 2 = 79

 

79  - 3 = 76

 

76 + 5 = 81

 

81 -  7 = 74

 

74 + 11 = 85

 

Consecutive adding and subtracting of prime numbers.

 

So the wrong number in the given series is 75.

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Filed Under: Odd Man Out
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Q:

The Indian Judge who has been re-elected to International Court of Justice(ICJ) 2017?

A) Dalveer Bhandari B) S.N. Rao
C) Arjun Singh D) R. S. Pathak
 
Answer & Explanation Answer: A) Dalveer Bhandari

Explanation:

India's nominee to International Court of Justice (ICJ) Dalveer Bhandari (70) was re-elected to fifth and the last seat of World court. Bhandari received 183-193 votes in United Nations General Assembly and secured all 15 votes in UN Security Council (UNSC). He was elected after Britain withdrew its candidate from the election. This is the first time since the ICJ was established in 1945 that there will be no British judge in ICJ. Bhandari is fourth Indian judge to be elected to ICJ after B.N. Rau, Nagendra Singh and RS Pathak.

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Filed Under: General Awareness
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Q:

Who first imposed Jizya Tax in India?

A) Allaudin khilji B) Aurangzeb
C) Mohammad Bin Qasim D) Qutb-ud-din Aibak
 
Answer & Explanation Answer: D) Qutb-ud-din Aibak

Explanation:

In India, Islamic rulers Qutb-ud-din Aibak imposed jizya on non-Muslims first time which was called kharaj-o-jizya. Jizya was abolished by the Mughal ruler Akbar in the 16th century but was re-introduced by Aurangzeb in the 17th century.

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Filed Under: Indian History
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Q:

Who is the author of the Book 'Social Exclusion and Justice in India'?

A) Rakesh Kumar B) Arun Singh
C) M. Venkaiah Naidu D) P.S. Krishnan
 
Answer & Explanation Answer: D) P.S. Krishnan

Explanation:
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Filed Under: Books and Authors
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Q:

Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

A) 27 7/9 mts B) 25 8/7 mts
C) 21 1/4 mts D) 22 mts
 
Answer & Explanation Answer: A) 27 7/9 mts

Explanation:
Relative speed = (40 - 20) km/hr = ( 20 x 5 ( m/sec = ( 50 ( m/sec.
18 9
Therefore Length of faster train = ( 50 x 5 ( m = 250 m = 27 7 m.
9 9 9
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Filed Under: Problems on Trains
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Q:

In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum?

A) 2.9 years B) 3.5 years
C) 4.2 years D) 4.7 years
 
Answer & Explanation Answer: B) 3.5 years

Explanation:

Given that Rs. 1860 will become Rs. 2641.20 at 12%

 

=> Simple Interest = 2641.20 - 1860 = Rs. 781.20

 

We know I = PTR/100

 

=> 781.20 x 100 = 1860 x T x 12

 

=> T = 78120/1860x12

 

=> T = 78120/22320

 

=> T = 3.5 years.

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Filed Under: Simple Interest
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Q:

In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%?

A) 60 lit B) 55 lit
C) 45 lit D) 50 lit
 
Answer & Explanation Answer: A) 60 lit

Explanation:

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Filed Under: Alligation or Mixture
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Q:

If (1 × 2 × 3 × 4 ........ × n) = n!, then 15! - 14! - 13! is equal to ___?

A) 14 × 13 × 13! B) 15 × 14 × 14!
C) 14 × 12 × 12! D) 15 × 13 × 13!
 
Answer & Explanation Answer: D) 15 × 13 × 13!

Explanation:

15! - 14! - 13!

= (15 × 14 × 13!) - (14 × 13!) - (13!)

= 13! (15 × 14 - 14 - 1)

= 13! (15 × 14 - 15)

= 13! x 15 (14 - 1)

= 15 × 13 × 13!

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Filed Under: Permutations and Combinations
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