Question
From January 1, 2021, the price of petrol (in Rupees
per litre) on m' day of the year is 80 + 0-1m, where m = 1, 2, 3, …., 100 and thereafter remains constant. On the other hand, the price of diesel (in Rupees per litre) on nth day of 2021 is 69 + 0-15n for any n. On which date in the year 2021 are the prices of these two fuels equal ?Solution
The correct answer is D
What will come in place of the question mark (?) in the following series?
75, ?, 107, 148, 229, 390
- What will come in place of the question mark (?) in the following series?
2, 5, 16, 47, 138, ? 12, 25, 51, ?, 207, 415
18 19 34 111 428 2165 ?
...1221, 1100, 1000, 919, ?
...What will come in place of the question mark (?) in the following number series?
124, 131, 117, ?, 110, 145
2 3 5 9 ? 33
...(248 + 352)/(34 - 30) = ?
32, 48, 72, 108, 162, ?
What will come in place of the question mark (?) in the following series?
60, 94, 184, 464, 1388, ?