Question
In a transport yard, 70% of the vehicles are
two-wheelers and the rest are four-wheelers. Find the ratio of the number of wheels of two-wheelers to that of four-wheelers.Solution
ATQ, Let the total number of vehicles be x.
Number of two-wheelers = 0.70x
Number of four-wheelers = 0.30x
According to the question,
(2 × 0.70x) / (4 × 0.30x) = 1.4x / 1.2x = 7:6
24 47 137 ? 2679 16049
...There are 3 series, you have to find value of a, b, c and then establish relation among a,b,c.
19, 25, 45, a, 553, 2767
1560 760 360 160 6...
800    544    416    352    ?     304
32 63 121 ? 453 889
...217Â Â Â Â Â 267Â Â Â Â Â 304Â Â Â Â Â 330Â Â Â Â Â Â 348Â Â Â Â Â 357
...10 625 50 125 250 25 ?
...68    189    45    214    ?    243
In each of the following questions the number series is given. One term of the series is denoted by x. You have to calculate of value of x and by using ...
0.5 1.5 5 ? 76 385
...? + (55)2 = (140)2 – (80)2 – 6278
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