Mathematics MCQs
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101.Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are____?
102.Three numbers are in the ratio 3:4:5 and their L.C.M is 2400. Their H.C.F is:
103.Two natural numbers whose sum is 72 cannot be in the ratio:
104.Rs. 9 per kg and Rs. 15 per kg were mixed in the ratio 3 : 7. If 5 kg of the mixture is sold at 25% profit, find the profit made?
105.Imran’s salary to Naveed’s salary if Faheem makes 80,000 rupees ,Imran 70,000 rupees and Naveed makes 50,000 rupees ?
106.What will be ratio of simple to compound interest on two same sums invested in SBP at rate of interest of 8% kept for 3 years?
107.What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9
108.Yalmaz can cover a distance of 400 metres in 2 minutes. Rayan can cover 1 km in 300 seconds. Find the ratio of their speeds.
109.(0.456 * 0.456 – 0.228 * 0.228) / (0.456 + 0.228) = ____?
110.(0.9 * 0.9 – 0.8 * 0.8)/1.7 = ____?