Question
If Lalitha leaves home and drives to her school at a
speed of 45kmph, she reaches 5 minutes later than when she drives at 60kmph speed. Find the distance to her school (in km)Solution
let the distance from lalita's home to her school be x km. According to question x/45 - x/60 = 5/60 4x - 3x/180 = 5/60 x/180 = 5/60 x = 5x180/60 x = 15
384, 357, 313, 252, 174, ?
15.975 ×27.825 + (76.01)² + 12.98×18.426 = ?+ (79.09)²
32   33    29   38    ?      47    11
...14, 20, 29, 44, 65, ?
- What will come in place of the question mark (?) in the following series?
13, 15, 18, 23, 30, ? 78   79    75   84    ?      93    57
...63, 74, ?, 129, 173, 228
226, 171, 124, 85, 54, ?
33Â Â Â 41Â Â Â 25Â Â Â 49Â Â Â 17Â Â Â Â ?
715Â Â Â 708Â Â Â 694Â Â Â 673Â Â Â Â 645Â Â Â Â ?