Select the odd word/letters/number/number pair from the given alternatives.
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Coefficient of x in (x + 9)(8 - 5x) is
What is the reflection of the point (-1 , 5) in the line x = 1?
What is the value of tan150°?
An angle is greater than its complementary angle by 30°. Find the measure of the angle?
3cosA is equal to
A telephone bill costs Rs.13 for 19 minutes. What is the cost in rupees for 15 minutes 50 seconds?(rounded to one decimal)
If 3x+22x+1 = a2x+1+bx+2 be an identity, then the value of b