If ab+ba = -1, then the value of a2b-b2a is
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If 16% of an electricity bill is deducted, Rs 1806 is still to be paid. How much was the bill?
The diagonal of a square is 12 cm what is the length (in cm) of its side?
A cylindrical vessel of height 5 cm and radius 4 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 6 cm. What will be the height of this cone? (Take π = 22/7)
In the following question, select the odd letter/letters from the given alternatives.
Ramu can row 9 kmph in still water. It takes him twice as long to row up as to row down. Find the rate of stream.
Find the least number to be added to 1739 so that it is exactly divisible by 11.
The line segment AB intersects the straight line CD at B; AB will be smallest when ∠ ABD (in degrees) is
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