Exams


Q:

The ratio of present ages of P and Q is 7:9. Before 10 years the ratio of their ages was 5:7. What is Q's present age (in years)?

A) 35 B) 45
C) 25 D) 55
 
Answer & Explanation Answer: B) 45

Explanation:
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Filed Under: Problems on Ages
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Q:

Bleeding of gums, falling of teeth, fragile bones and delayed wound healing occur due to the deficiency of which one of the following vitamins?

A) Vitamin C B) Vitamin K
C) Vitamin D D) Vitamin B
 
Answer & Explanation Answer: A) Vitamin C

Explanation:

Deficiency of Vitamin C causes Scurvy, Swelling of gums etc.Vitamin K causes Non-clotting of blood ,Vitamin D causes Rickets in children and Osteomalasia in adults, Vitamin B 1 causes Beriberi,B2 causes Cracking of skin,reddish eye,cracking of tongue,B3 causes Whitening of hair ,mentally retardness ,B5 causes Pallagra or 4D syndrome,B6 causes Anemia,skin disease ,B7 causes Paralysis,hair falling,B11 causes Dysentery and B12 causes Jaundice and Teroile Glutemi

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Filed Under: Biology
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Q:

Which must be true for metamorphism to occur?

A) The grain size must become smaller B) The process must take place underwater
C) The parent rock must be in solid form D) The parent rock must be igneous
 
Answer & Explanation Answer: C) The parent rock must be in solid form

Explanation:

Metamorphism is the method of changing the structure of a rock by using heat and temperature.

Hence, for this to happen the parent rock must be in solid form only. Therefore, option C) is true.

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Filed Under: Physics
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Q:

When insulin is released, it causes

A) Amount of glucose in blood decreases B) Amount of glucose in blood increases
C) Amount of bile juice increases D) Amount of bile juice decreases
 
Answer & Explanation Answer: A) Amount of glucose in blood decreases

Explanation:

We know that, when we eat a meal, any carbohydrates we've eaten are broken down into glucose and passed into the bloodstream. This rise in blood glucose causes insulin to be released from the pancreas so glucose can move inside the cells and be used. As glucose moves inside the cells, the amount of glucose in the bloodstream returns to normal and insulin release slows down.

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Filed Under: Biology
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Q:

If a certain sum of money become thrice of itself in 5 years 4 months at simple interest, then what will be the yearly rate of interest (in %)?

A) 18.75 B) 27.5
C) 37.5 D) 42.25
 
Answer & Explanation Answer: C) 37.5

Explanation:
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Filed Under: Simple Interest
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Q:

From the given words, select the word which cannot be formed using the letters of the given word.
MOTLIEST

A) SMITE B) MINES
C) TILES D) EMITS
 
Answer & Explanation Answer: B) MINES

Explanation:
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Filed Under: Logical Sequence of Words
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Q:

The first country to make a constitution

A) Russia B) United States
C) France D) North Korea
 
Answer & Explanation Answer: B) United States

Explanation:

The United States Constitution, ratified June 21, 1788, was influenced by the writings of Polybius, Locke, Montesquieu, and others. The document became a benchmark for republicanism and codified constitutions written thereafter. The Polish–Lithuanian Commonwealth Constitution was passed on May 3, 1791.

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Filed Under: World History
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Q:

Which statement about general education policy is most accurate?

A) It is set by multiple levels of the government. B) It is determined by local school boards.
C) It is controlled only by the federal government. D) It provides its funding at the state level.
 
Answer & Explanation Answer: A) It is set by multiple levels of the government.

Explanation:

General education policy is set by multiple levels of the government like Federal, state and local governments. 

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Filed Under: Indian Politics
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