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Q:

The increasing order of the refractive index of certain materials is (left to right) .......

A) Rocksalt, Benzene, Kerosene, Ice	B) Rock Salt, Ice, Benzene, Kerosene
C) Ice, Kerosene, Benzene, Rock Salt	D) Kerosene, Ice, Benzene, Rock Salt

Answer & Explanation Answer: C) Ice, Kerosene, Benzene, Rock Salt

Explanation:

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT

Q:

With whom did the Government of India sign a $ 120 million loan agreement to complete double-tracking and electrification of railway tracks along high-density corridors to improve the operational efficiency of India's railway network?

A) European Bank	B) African Development Bank
C) International Monetary Fund (IMF)	D) Asian Development Bank

Answer & Explanation Answer: D) Asian Development Bank

Explanation:

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT

Q:

If $a$ - $\frac{1}{a}$ =7,then $a^{2}$ + $\frac{1}{a^{2}}$ =?

A) 54	B) 51
C) 53	D) 52

Answer & Explanation Answer: B) 51

Explanation:

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

Q:

A train left from station A for station B at 4 pm at an average speed of 80 kmph. At 8 pm, another train also had left from station A for station B on a parallel track at an average speed of 120 kmph. How far from A is another train expected to overtake the first train?

A) 900km	B) 940km
C) 960km	D) 980km

Answer & Explanation Answer: C) 960km

Explanation:

Ans.
Distance covered by 1st train in 4 hours = 80*4 = 320 km
Relative speed of 2nd train = 120-80 = 40 km
It will overtake another train in 320/40 = 8 hours
Distance between overtake point and station A = 8*120 = 960 km

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Filed Under: Problems on Trains
Exam Prep: AIEEE , Bank Exams , GATE

Q:

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.
Insurance is a contract, represented for a policy, in which an individual or entity receives financial protection.
i. Represented in a policy
ii. Represented by a policy
iii. Represented with a policy

A) A. Only i	B) B. Only ii
C) C. Only iii	D) D. i and ii

Answer & Explanation Answer: B) B. Only ii

Explanation:

Ans. B.
The correct preposition here would be 'by'. By follows 'represented' when something takes the place of and refers to something bigger. With follows 'represented' when an attribute with which something or someone is depicted. A contract is not represented in a policy but stated in a policy.

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Filed Under: English
Exam Prep: CAT , GRE , TOEFL

Q:

Which of the following is not a characteristic of Pisces?

A) Exoskeleton of scales	B) Breathing through gills
C) Endoskeleton of bone/cartilage	D) Presence of pseudocoelom

Answer & Explanation Answer: D) Presence of pseudocoelom

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams , AIEEE

Q:

What value should come in place of the question mark (?) in the following question?

$\frac{5^{2} x 14 + 1450}{18} = 1998 \div ?$

A) 18.25	B) 19.98
C) 34.58	D) 65.25

Answer & Explanation Answer: B) 19.98

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GATE , Bank Exams

Q:

What should come at the place of question mark (?) in the following question?

$4 \frac{3}{7} + 2 \frac{1}{6} - 4 \frac{1}{3} = ? - 2 \frac{3}{4}$

A) 2.79	B) 5.01
C) 4.29	D) 6.36

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