Welcome to your DNS test 1) Select the correct answer from the options given below.If 3(2x+2) = 81, then x = 1 2 3 4 3) If one root of the quadratic equation 5x2 + 13x + k = 0 is reciprocal of the other, then k is equal to 5 6 1/5 1/6 4) If { 8 = 1 / (1/x -3) } then x = -2 -0.5 0.5 1.25 5) Jacob uses 30% of his monthly earnings for rent and 50% of the remaining amount for food. If he spends $525 for food, how much does he pay for rent? $400 $450 $500 $550 6) A sphere of radius 5 has the same volume as a cube with an edge approximate length = ……………. 7.8 8.06 6.08 7.68 Time is Up! Time's up
