For shopkeeper A, Let the number of red pens sold be ‘x’. Then, the number of blue pens sold = 55% of x = 0.55x Now according to question, => x + 0.55x = 310 => x = 200 Number of red pens sold = 200 Number of blue pens sold = 0.55x = 110 Number of black pens sold = 110 × (9/11) = 90 Similarly, we can find the required data for the other shopkeeper too. 
Required % = (75/150) × 100 = 50%
Study the given pattern carefully and select the numbers from among the given options that can replace the question marks (?).
Select the figure which will come next in the following series.
Which of the following expression indicates that P is the son of R?
A run walks 5 m south from his office, turns left and walks 3m, again turns left and walks 13 m, then turns left and walks 3 m to reach the grocery shop...
If a mirror is placed on the line AB, then which of the answer figures is the right image of the given figure?
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Some teachers are scientists.
All scientists are doctors.
All doctors are engineers.
Conclusions:
I. ...
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Statement:
The number of complaints lodged by patients and their attendants in Hospital-A has increased during the last five years. Due to insu...
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6 board of directors A, B, C, D, E, and F are sitting around a round table at equal distance between each other, but not necessarily in the same order. ...
