Coefficient of x2 in (x + 9)(6 - 4x)(4x - 7) is
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What is the area of the sector whose central angle is 90° and radius of the circle is 14 cm?
A student multiplied a number by 3/10 instead of 10/3. What is the percentage error in the calculation?
Curved surface area of a cylinder is 1232 sq cm. If circumference of its base is 154 cm, then what will be the height of the cylinder? (Take π = 22/7)
What is the equation of line whose slope is -1/2 and passes through the intersection of the lines x - y = -1 and 3x - 2y = 0?
Value of (4a2+ 12ab + 9b2)/(2a + 3b) is
What is the HCF (highest common factor) of 133 and 112?
25% discount is offered on an item. By applying a promo code the customer wins 4% cash back. What is the effective discount?
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