Question
A car travels from A to B at a speed of 60 km/h, and
returns from B to A at a speed of 40 km/h. What is the average speed of the car for the entire journey?Solution
Average speed for the entire journey = 2xy / (x + y) Where x = 60 km/h and y = 40 km/h. Average speed = 2 × 60 × 40 / (60 + 40) = 4800 / 100 = 48 km/h Correct Option: a
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
Find the missing number.
Find the missing term in the following series:
43 44 ? 69 185
...Select the option that is related to the third term in the same way as the second term is related to the first term and sixth term is related to fifth ...
Study the given pattern carefully and select the number that can replace the question mark [?] in it?
In the following question, select the missing number from the given alternatives.
45, 15, 60, 75, 135, ?
Select the number from among the given option that can replace the question mark (?) in the following series.
4, 21, 86, 261, 526, ?
Choose the correct alternative from the given ones that will complete the series.
3.5 , ?, 8.3, 10.7, 13.1 , 15.5
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
First row: 14, 12, 108
Second row:...
Select the related word/letters/number from the given alternatives.
LHX: OEA : : PFT : ?
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