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Q:

Consider the given question as true and decide which of the given statements is sufficient to answer the question.
Who among P, Q, R, S and T is lightest in weight?

Statements :
1. Q weight < P and S also S weight > T
2. R weight > Q but < T

 

A) Satement 1 alone is sufficient while statement 2 alone is insufficient B) Neither statement 1 nor 2 is sufficient
C) Both statements 1 and 2 are sufficient D) Satement 2 alone is sufficient while statement 1 alone is insufficient
 
Answer & Explanation Answer: C) Both statements 1 and 2 are sufficient

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Q:

The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

A) 20 cm B) 5 cm
C) 10 cm D) 15 cm
 
Answer & Explanation Answer: C) 10 cm

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Filed Under: Physics
Exam Prep: Bank Exams

Q:

2/3 of a milk-water mixture was milk. There was 21 lit of the mixture. If 4 lit of water is added to it, the % of milk in the new mixture will be:

A) 56 B) 11
C) 44 D) 14
 
Answer & Explanation Answer: A) 56

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

Q:

Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?

A) 20 B) 40
C) 23 D) 12
 
Answer & Explanation Answer: A) 20

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Filed Under: Chemistry
Exam Prep: Bank Exams

Q:

If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is:

A) concave mirror B) convex mirror
C) plano-concave mirror D) plane mirror
 
Answer & Explanation Answer: B) convex mirror

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Filed Under: Physics
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Q:

Which of the following is a reductible fraction?

A) 79/26 B) 105/112
C) 41/17 D) 91/15
 
Answer & Explanation Answer: B) 105/112

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

Q:

If 3x^2 + ax + 4 is perectly divisible by x - 5, then the value of a is :

A) -5 B) -15.8
C) -12 D) -15.6
 
Answer & Explanation Answer: B) -15.8

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Who among the following laid the foundation of chemical sciences by establishing two important laws of chemical combination?

A) Joseph L. Proust B) Antoine L. Lavoisier
C) Ernest Rutherford D) Democritus
 
Answer & Explanation Answer: B) Antoine L. Lavoisier

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Filed Under: Chemistry
Exam Prep: Bank Exams