Question
The cost of 2 mouse and 3 keyboard is Rs.150 and that of
3 mouse and 2 keyboard is Rs.120. Find the cost of 5 mouse and 2 keyboard?Solution
Let cost of a mouse and a keyboard be x & y respectively. As per the question, 2x + 3y = 150 3x + 2y = 120 Solving the equation, For x and y, x = Rs. 12 & y = Rs. 42 Cost of 5 mouse and 2 keyboard = 5x + 2y = 5 × 12 + 2 × 42 = Rs.144
Which of the following is true?   Â
In each of the following questions select the related figure from the given alternatives.
Question Figure:
Which of the following days does plant G was exhibited?
How many persons live between E and F?
Who among the following person completed the training in 2018?
Which of the following statement is true?
How many persons live below F (in the same type of flat)?
Who is the tallest one?
How many persons completed the training between G and C?
Find the odd out of all the five?