Q2. A boat travelled with the direction of the current from point A to B, and return against the current and stop at point C. Distance between B and C is 75% of, distance between A and B. given speed of current is 6 km/hr and speed of boat still water is 150% of current speed and boat takes 9.5 hr to complete whole journey of A to C. then find the total distance covered by boat?
(a) 30.5 km
(b) 52.5 km
(c) 42.5 km
(d) 48.5 km
(e)None of these
Q3. There is five pink and four white balls in a bag. Three ball choose randomly, what is probability of at least one ball is pink and at most two are white ball ?
(a) 20/21
(b) 30/31
(c) 41/40
(d) 40/41
(e)None of these
Q4. A train can travel 100% faster than a car. Both start from point A at the same time and reach point B 150 km away from A at the same time on the way however train lost about 30 minutes while stopping at a station. Find the speed of car ?
(a) 115 km/hr
(b) 120 km/hr
(c) 125 km/hr
(d) 75 km/hr
(e) 150 km/hr
Directions (6-10): In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.
Q6. 17, 24, 38, 66, 122, 234, 460
(a)460
(b)234
(c)122
(d)66
(e)38
Q7. 56, 60, 28, 112, 14, 224, 7
(a)14
(b)112
(c)28
(d)56
(e)60
Q8. 100, 219, 344, 480, 629, 795, 980
(a)480
(b)344
(c)219
(d)100
(e)629
Q9. 32, 190, 935, 3736, 11211, 22420, 22421
(a)32
(b)190
(c)11211
(d)22420
(e)3736
Q10. 14, 22, 39, 92, 335, 1794, 12215
(a)335
(b)1794
(c)14
(d)22
(e)39
Solution