In the figure below, the curve represents a polynomial.
The number of zeroes of the polynomial is ____
David went to a stationery shop and purchased five pencils and two erasers for Rs 9. His friend Albert bought four pencils and six erasers of the same kind for Rs 18. If the cost of one pencil is Rs x and the cost of one eraser is Rs y, then the linear equations which represent the given information is ____.
A) 5x - 2y = 9 and 4x - 6y = 18
B) 5x + 2y = 9 and 4x - 6y = 18
C) 5x + 2y = 9 and 4x + 6y = 18
D) 5x + y = 9 and 4x + 6y = 18
If the nth term of the AP 9, 7, 5, ...is equal to the nth term of the AP 15, 12, 9, ...., then the value of n is ____.
At the foot of a mountain the elevation of its summit is 45o. After ascending 1000 m towards the mountain up a slope of 30o inclination, the elevation is found to be 60o. The height of the mountain is ____.
A) 1.366 km
B) 1.395 km
C) 1.654 km
D) 1.869 km
A circle touches the side BC of ΔABC at P and touches the sides AB and AC produced at Q and R respectively. If AB = 5.6 cm, BC = 4 cm and AC = 5 cm, then the length of the tangent AQ is____.
A) 7.1 cm
B) 7.2 cm
C) 7.3 cm
D) 7.4 cm