Let the total available marks in the examination be 100x. Marks scored by A = 45% of 100x= 45x Marks scored by B = 75% of 100x= 75x According to question, => 45x + 55 = 75x – 80 => 30x = 135 => x = 4.5 Total marks of the examination = 100x = 450
5184, ?, 432, 144, 36, 12
Select the number from among the given options that can replace the question mark (?) in the following series.
64, 60, 52, 40, ?, 4
40 41 86 ? 1084 5445
...A factory produces two types of gadgets: Type A and Type B. In a day, it produces 300 Type A gadgets and 400 Type B gadgets. If the production cost of T...
62 90 122 158 198 ?
6000 3002 1503 ? 378.75 191.375 97.6875
...12Â Â Â Â Â Â Â Â Â Â 8Â Â Â Â Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â Â Â Â Â 12Â Â Â Â Â Â Â Â Â Â 4.5Â Â Â Â Â Â Â Â Â 15
18Â Â Â Â Â Â Â...
7200 7200 3600 1200 300 ?
...200 ? 96 38.4 7.68 0
...7Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 26Â Â Â Â Â Â Â Â Â Â Â 63Â Â Â Â Â Â Â Â Â Â Â 126Â Â Â Â Â Â Â Â Â Â 215Â Â Â Â Â Â 342
...