Time taken for first 40 km = Distance / Speed = 40 / 60 = 2/3 hours. Time taken for next 60 km = 60 / 90 = 2/3 hours. Total distance = 40 + 60 = 100 km. Total time = 2/3 + 2/3 = 4/3 hours. Average speed = Total distance / Total time = 100 / (4/3) = 75 km/h. Answer: b) 75 km/h.
Kamya and Vedika start walking from two different points. Kamya walks 14m from Point-A towards the east, then turns right and walks 7m. Then she turns l...
Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
If '+' means ×, '–' means ÷, '×' means + and '÷' means –, compute the value of the expression:
45 – 9 + 4 × 5
...In a certain code language, 'FUTILE' is written as 'UFITEL'. How will 'OCTAVE' be written in that language?
Six friends K, L, M, N, O and P are sitting in two rows; both the rows are facing north. Four friends are in the first row, whereas two friends are in t...
Find out the alternative from options given which will replace the question mark.
pineapple : ? :: orange : Florida
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
CDG_ IJ_Z O_SZ _VYZ _BEZ
A child walks 25 feet towards North, turns right and walks 40 feet, turns right again and walks 45 feet. He then turns left and walks 20 feet. He turns ...
The given Venn diagram shows the number of students who uses different social media like Facebook, Instagram and Twitter. How many students use either ...
In a code language, if PEN is written as 17717, then how will CAP be written in the same language?
