Question
A man drives his car for 24 km at a speed of 48 km/h,
and for the next 1.5 hours he drives at a speed of 80 km/h. Find his average speed (in km/h) for the entire journey.Solution
Time taken for 24 km = 24/48 = 0.5 hours Distance covered in 1.5 hours = 80 x 1.5 = 120 km Average Speed = 120 + 24/ (1.5 + 0.5) =144/2 = 72 km/hr The correct answer is 72 km/hr.
Select the option that is NOT like the given set.
(8, 40, 56)
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
...Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and t...
If 44 # 35 = 17 and 38 # 28 = 74, then 52 # 47 = ___.
Select the combination of letter when placed sequentially in the blanks of the given series will complete the series.
L E __ P L E __ __ __ E A P L E __ P
Shirt : Garment : Potato : _____________
Hawa Mahal : Jaipur :: Victorial Mahal : (?)
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
B _ M _ V B Q M _ V _ _ _ F V
PINE : 5945 :: HERO : 8585 :: JUMP : ?
If 31 @ 9 = 24 and 53 @ 33 = 96, then 19 @ 47 = '?'.