Mathematics MCQs
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121.(i). a2 – 9a + 20 = 0, (ii). 2b2 – 5b – 12 = 0 to solve both the equations to find the values of a and b?
122.(i). a2 + 11a + 30 = 0, (ii). b2 + 6b + 5 = 0 to solve both the equations to find the values of a and b?
123.? % of 400 + 40% of 160 = 17% of 400
124.[(62.25/2.5) + (12.5/0.5)] / [(0.75 * 9) + (3.5 * 3.5)] = ____?
125.[(7 * 9) + (2 * 12) + 3]/[(12 * 3) + (81/9)] = ____?
126.[10 + {4 * ({2/3 + 1/4} * √144/121 + 23) ÷ 12 + 5} – 3] = ____?
127.[3/7 of {21 * (33.33% of (27 + 3) ÷ 5) – 7} – 8] = ____?
128.[50 – {20 + 60% of (26/13 + 24/12 + 21) – 2} + 8] = 625/?
129.{20 – [7 – (3 -2)] + 1/3 (4.2)} / 1.4 = ____?
130.√3584 * 52.034 = ____?