1 . 
In each of these questions, a number series is given. In each series, only one number is wrong. Find out the wrong number. $3\,\,\, 7\,\,\, 16\,\,\, 32\,\,\, 56\,\,\, 93\,\,\, 142$ 

Answer & Explanation
Answer : Option
A


Explanation : 







2 . 
In each of these questions, a number series is given. In each series, only one number is wrong. Find out the wrong number. $11\,\,\, 18\,\,\, 29\,\,\, 42\,\,\, 59\,\,\, 80\,\,\, 101$ 

Answer & Explanation
Answer : Option
E


Explanation : 







3 . 
In each of these questions, a number series is given. In each series, only one number is wrong. Find out the wrong number. $2\,\,\, 9\,\,\, 32\,\,\, 105\,\,\, 436\,\,\, 2195\,\,\, 13182$ 

Answer & Explanation
Answer : Option
D


Explanation : 







4 . 
There is a certain amount from which A takes 25%, then B takes 50% of remaining amount, then C t akes 75% of the remaining amount. Now if the amount left is 5760, then what is the actual sum? 

Answer & Explanation
Answer : Option
D


Explanation : 

Required amount = $Left amount \times 100 \times 100 \times 100 \over (100  A)(100  B)(100  C)$
= $5760 \times 100 \times 100 \times 100 \over 75 \times 50 \times 25$ = 61440 





5 . 
Two trains A and B are running on parallel tracks in the same direction. Train A which is coming from behind takes 50 s to cross B completely. One person in train A observes that he crosses train B in 30 s. The speed of the train A and train B is in the ratio of 2 : 1, what is the ratio of their lengths? 

Answer & Explanation
Answer : Option
B


Explanation : 







6 . 
Mantu earned a profit of ₹ 300 by selling 100 kg of a mixture of A and B types of rice at total price of ₹ 1100. What was the proportion of A and B types of rice in the mixture if the cost prices of A and B types of rice are ₹ 10 and ₹ 5 per kg respectively? 

Answer & Explanation
Answer : Option
C


Explanation : 







7 . 
Study the following graph carefully to answer the questions that follow:
Over the given 3 year which has been the highest selling colour and what percentage of volume did it account for? 

Answer & Explanation
Answer : Option
B


Explanation : 

Total Volume = 485 thousand
Red = $95 \over 485$ x 100 = 19.59 %
Blue= $105\over 485$ $\times$ 100 = 21.65%
Orange= $102\over 485$ $\times$ 100 = 21.03%
Grey= $63\over 485$ $\times$ 100 = 12.99%
White= $120\over 485$ $\times$ 100 = 24.74 % $\cong$ 25% 





8 . 
Study the following graph carefully to answer the questions that follow:
Sale of which colour(s) of refrigerator registered the highest percentage increase between 2010 and 2011? 

Answer & Explanation
Answer : Option
C


Explanation : 

Red = $45  30 \over 30$ x 100 = 50 %
Blue = $48  32 32\over$ $\times$ 100 = 50%
Orange= $32  23\over 23$ $\times$ 100 = 39.13%
Grey= $34  27\over 23$ $\times$ 100 = 30.43% 





9 . 
Study the following graph carefully to answer the questions that follow:
What is the share of sales volume accounted for by the year 2011? 

Answer & Explanation
Answer : Option
D


Explanation : 

Total sales in 2011 = 202 thousand
Percentage share in total volume = $202\over 485$ $\times$ 100 = 41.64% 





10 . 
Study the following graph carefully to answer the questions that follow:
What is approximately the ratio of sales of Red, Orange and White refrigerators, taken together in 2010 to that of the combined total sales of Blue and Grey ones is 2009 and 2011 taken together? 

Answer & Explanation
Answer : Option
E


Explanation : 

98 : 109 





