Lakshya Education MCQs

Question: What is the simple annual growth rate of patients from 2007 to 2010?___
Options:

: (500200)200 × 1003 = 50%

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Question 1. The number of commodities that experienced a price decline for two or more consecutive year is___

: The commodities that experienced a price decline for and two or more consecutive year were rice, egg, onion, dal and chilies.
Question 2. In 2002, if the ratio of number of educated males to professionally educated females was 5:4. If the number of educated males increased by 25% in 2003. What is the percentage change in number of uneducated females in 2003?
  1.    +25%
  2.    +30%
  3.    +34%
  4.    +56%
Answer: Option D
: D

Number of educated people in 2002 = 545 million
Number of educated female in 2002
49×545 million= 242.22 million
Number of uneducated female in 2002 = 107.78 million
Number of educated male in 2002
59×545 million = 302.78 million
Number of educated male in 2003 = 378.475 million
Number of educated female in 2003 = 181.525 million
Number of uneducated female in 2003 = 168.475 million
Hence, required percentage change
60.695107.78 × 100 = 56%
Question 3. What is Amita's age?
  1.    25
  2.    26
  3.    28
  4.    22
Answer: Option C
: C

Let us assume that Amita is lying and Sunita and Vinita are telling the truth
Then Sunita is not the youngest => from Vinita's 2nd statement, Vinita is not the eldest.
Since Amita is lying, so from her 3rd statement, Amita is not the eldest.
Now, since Sunita is not the youngest and Vinita is elder to Sunita => Sunita is not the eldest.
Also, since, Amita is not the eldest => Vinita has to be the eldest.
But, from her 2nd statement, Vinita is not the eldest; so, our assumption is incorrect
as per our assumption Sunita isn't lying which means our assumption is incorrect. Let us assume that Sunita is lying and Amita and Vinita are telling the truths.
Then, from Amita's 1st statement, Sunita is the youngest. Since, Sunita is lying so, from Sunita's 2nd statement, Vinita is not elder to her, so this means that Vinita is either of the same age as her or younger than her. From Vinita's 1st statement, Sunita cannot be of the same age as Vinita => Sunita should be elder than Vinita but also Sunita is the youngest => contradiction => our assumption is incorrect => Sunita isn't lying. Since, neither Amita nor Sunita is lying => Vinita must be lying. Vinita is lying and Sunita and Amita are telling the truths.
Sunita is the youngest and all are above 24 years of age and Vinita is elder to Sunita. So, the least possible age for Sunita is 25 years and Amita and Vinita are more than 25 years of age => as per Sunita's 1st statement, Vinita is 26 years old.
Since, Vinita is lying and Sunita is the youngest, so from her 2nd statement, Vinita is not the eldest => Amita is the eldest. Since, Vinita is 26 years of age and Vinita is elder to Sunita and the least possible age for Sunita is 25 years => Sunita is 25 years of age.
Amita is the eldest.
Question 4. For which commodities did a price increase immediately follow a price decline only one is this period?
  1.    Rice, Edible oil and Dal
  2.    Egg and Dal
  3.    Onion only
  4.    Egg and Onion
Answer: Option C
: C

The given condition is satisfied only for the commodity onion.
Question 5. On which topic did Eklavya give a presentation on Friday?
  1.    Classroom learning vs experiential learning
  2.    Business & Ethics
  3.    Time Management
  4.    Cannot be determined
Answer: Option B
: B

Let the five students be A,B,C,D and E. We can make a table based on the given conditions (Once the initial conditions are met, we just need to ensure that each one of A,B,C,D and E are present in every row and column, without overlap, highlighted ones are given in the question)

Question 6. Which one of the following groups CANNOT march immediately behind the gymnasts?
  1.    fire-fighters
  2.    jugglers
  3.    musicians
  4.    puppeteers
Answer: Option B
: B

Only Jugglers group cannot march immediately behind the gymnasts

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