Question
A man walking at 4/5 of his regular speed, when a man
covers a few distance in 3 hrs more than the time he takes to cover the same distance at his regular speed. Then what will be the time taken by him to cover the distance at his regular speed (in hrs) is?Solution
ATQ, we can say that as we know that speed is inversely proportional to time so with 4/5 of usual speed he will take 5/4 of usual time. Now, (5/4) x usual time - usual time = 3 Usual time = (5−4)/4 = 3 Usual time = 3 x 4 = 12 hrsÂ
D irection: Which of the following will replace ‘?’ in the following series.
543,’?’, 564 ,588, 660
...10 625 50 125 250 25 ?
...18 Â Â Â Â 32 Â Â Â 50 Â Â Â 72 Â Â Â Â 98 Â Â Â Â ?
1 6 13 24 41 ?
56, 57, 49, 76, 12, ?
If 2.5 3.5 x 30 124 625
Then, x ² - 1 - 2x = ?
...9Â Â Â 4.5Â Â Â 4.5Â Â Â 9Â Â Â 36Â Â Â ?
A restaurant has a special offer where a family meal costs ₹1,200 for 4 people. If a family of 6 orders this meal and then orders 2 additional family ...
512   493   476   ?    448    437  . Â
13 15 ? 63 143 293
...
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