Question
The cost of fencing a square plot @ Rs.18/m is Rs. 4608.
What will be the cost of flooring the plot @ Rs. 1.5/ square m?Solution
Let side of square be a So cost of fencing it = 4a x 18 = 4608 So a = 64 Hence, Cost of flooring it = a 2 x 1.5 = 642 x 1.5 = 4096 x 1.5 = Rs. 6144
24, 42, 60, ?, 96, 114
What will come in place of (?) question mark in the given number series.
10, 17, 26, 37, 50, ?
660, 653, 639, 618, 590, ?
What will come in place of the question mark (?) in the following series?
75, 219, 388, ?, 809, 1065168, 178, ?, 273, 400, 618, 963
60   61    57   66    ?      75    39
...What will come in place of the question mark (?) in the following series?
2, 5, 14, 41, 122, 365, ?
81, 83, 87, 95, 111, ?
What will come in place of the question mark (?) in the following series?
400, 841, 1202, ?, 1716, 1885
64, 66, 69, 74, 81, ?