Question
The given table represents the number of computers sold
by four dealers A, B, C and D during the first six months of 2016. Study the table carefully and answer the question that follows. What is the ratio of the total number of computers sold by dealer A in February, April and May to the total number of computers sold by dealer D in March, May and June?Solution
Total number of computers sold by dealer A in February, April and May = 94 + 108 + 98 = 300 Total number of computers sold by dealer D in March, May and June = 90 + 89 + 91 = 270 Required ratio = 300 : 270 = 10:9
If 7             16      x    90       171          292
Then, 2x 2 +  1 + x ...
35Â Â Â 70Â Â Â 105Â Â Â 140Â Â Â 175Â Â Â ?
14Â Â Â 42Â Â Â Â 105Â Â Â Â 210Â Â Â Â Â 315Â Â Â ?
7 15 44 89 ? 533
...1 2 9 ? 65 126
...205     255     292     ?     335     345
...4 , 3, 4 , ? , 32
5Â Â Â Â 10Â Â Â Â Â 30Â Â Â Â Â 150Â Â Â Â Â 950Â Â Â Â Â 11550
...83, 88, 86, 91, 89, ?
4 12 ? 144 544 2112
...