A man walks at the speed of 4km per hour from point A to B and comes back from point B to A at the speed of 8km per hour. What is the ratio between the time taken by man from point A to B and B to A?
Latest Answer: Simply put, time is inversely proportional to speed, hence if ratio of speeds is 2:1, ratio of time will be 1:2 ...
. A candidate appearing for an examination has to secure 40% marks to pass paper I. But he secured only 40 marks and failed by 20 marks. What is the maximum mark for paper I?
Latest Answer: maximum marks for paper 1 is 150(40/100) *x=60x=60*(40/100) =150 ...
A super fast bus of KSRTC starting from 'Trivandrum' and reaches 'Attingal' in 45 minutes with an average speed of 40 km/hr. If the speed is increased by 10 km/hr how much time it will
Latest Answer: b) 36 mind=s*ts=40 km/hr=40/60km/mint=45mind=(4/6)*45=30kmnow increased speed= 50 km/hr=50/60 km/mind=30 kmt=d/s = 36 min ...
Find the right number, from the given options, at the place marked by the question mark: 2, 4, 8, 32, 256, ?
Latest Answer: 2*4=84*8=3232*8=256256*32=8192Ans=8192 ...
An amount doubles itself in 3 years. When This amount can become 8 times of itself?
Latest Answer: I=(PTR)/100Money gets 3 times means that the Interest earned is 2 times. So that the amount becomes 3 times (Actual amount + Interest)2P=(P.3.R)/100;Now R=(2*100)/3From this7P=(P.T.200)/3*100From this T= 10.5 Years. ...
If A is travelling at 72 km per hour on a highway. B is travelling at a speed of 25 meters per second on a highway. What is the difference in their speeds in m/sec.
In 80 coins one coin is counterfiet what is minimum number of weighings to find out counterfiet coin?
Latest Answer: 8 Men work in 24 days:- 801 Men work in 24 days:- 80/8 = 101 Men work in 1 days:- 10/241 Men work in 30 days:- (10/24)*3036 Men work in 30 days:- ((10/24)*30)*36 = 450 ...
Jalia is twice older than qurban. If Jalia was 4 years younger, qurban was 3 years older, the diff. between their ages is 12 years
If A,B,C are the mechanism used seperately to reduce the wastage of the fuel by 30%, 40%, 10% What will be the fuel economy if they were used Combined?
A. 68.4
B. 62.2
C. 58
D. 27
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