Quantitative Aptitude - Arithmetic Ability Questions

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

Simplify 576b3x2a4z3/36a3b2z

ΔDEF is right angled at E. If m∠D = 45°, then find the value of (tanF + 1/3).

If x2+5x+6 = 0, then the value of 2xx2-7x+6 is

If sinA/(1 + cosA) = x, then x is

2sin[(C+D)/2].sin[(D­-C)/2] is equal to

Two men are on opposite sides of a tower. They measure the angles of elevation of the top of the tower as 30 ̊ and 45 ̊ respectively. If the height of the tower is 50 m, the distance between the two men is (Take √3 = 1.73)

The age of Dr. Pandey is four times the age of his son. After 10 years , the age of Dr. Pandey will be twice the age of his son . The present age of Dr. Pandey's son is