In the following question, select the odd letter/letters from the given alternatives.
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The two lines 4x+3y=0 and 7x+5y=0 will ______ in their graphical representation.
What is the reflection of the point (5 , -1) in the line y = 2?
The sum of two digits of a number is 10. If the digits are interchanged, then its value increases by 18. Find the number.
A rectangle with one side 4 cm is inscribed in a circle of radius 2.5 cm. The area of the rectangle in sq.cm is:
The average of three numbers is 6. The average of the first two is 5 while the average of the last two is 8. The three numbers are:
Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.
In a class consisting of boys and girls, there are 45 students. If three fifth of the students are boys, find the number of boys in the class.