Question
A was travelling from point X to point Y. He increased
his speed by 18 km/h after every hour. He reached his destination in 20 hours. If his initial speed was 50 km/h, then what was his average speed in the whole journey?Solution
Total distance travelled by A = (20/2) × {2 × 50 + (20 – 1) × 18} = 10 × (100 + 342) = 4420 km Required average speed = 4420/20 = 221 km/h
Eight persons namely - Harsh, Khushi, Jay, Rohan, Ashwin, Palak, Jayesh and Nilamber live on separate floors of an eight-floor building in an apartment....
BE17 is related to DJ51 in a certain way. In the same way, GJ23 is related to NT69. Which of the following are conect matches following the same logic?<...
If 2 is added to each odd digit and 1 is subtracted from each even digit in the number 7185634, what will be the sum of the digits which are second from...
A is the brother-in-law of B. B is the daughter of M who is the wife of G. J is the father of N. N is the only son-in-law of G. B is the daughter-in-law...
Seven boxes, R, A, L, E, N, D and I, are kept one over the other but not necessarily in the same order. No box is kept below N. Only four boxes are kept...
Aunt Gloria walked out of her house and walked 65 m towards the east. She took a left turn and walked 28 m. Again, she took a left turn and walked 110 m...
14 is related to 68 following a certain logic. Following the same logic, 17 is related to 83. To which of the following is 21 related, following the sam...
Select the option in which the given figure is embedded (rotation is NOT allowed).
Statements:
All buses are cars.
No jeep is a car.
Conclusions:
I. No car is a jeep.
II. No jeep is a bus.
Select the correct mirror image of the given combination when the mirror is placed on 'PQ' as follows.Â
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