In a club there are male and female members. If 15 female quit then the number of males will become double the number of males. If 45 males quit no. of female becomes five times the number of males. Find the number of females.
In a fraction, if 1 is added to both the numerator at the denominator, the fraction becomes 1/2. If numerator is subtracted from the denominator, the fraction becomes 3/4. Find the fraction.
In a mixture, R is 2 parts and S is 1 part. In order to make S to 25% of the mixture, how much of R is to be added?
In a party man & his wife ,and there r 2 son with their wives, and every son has 4 children in his family .how manyperson r in party.
In a pond ecosystem, large fishes and small fishes will be there. If we want to remove small amount of pollutants, small fishes are to be employed. In a food chain food passes through a number of mouths and en route the mouth of the super feeder-the eagle. Its population determines the size of the ecosystem. But this has been proved false.What can you infer from above? (4 choices)
In a well of 20feet depth, a frog jumps 5feet up in the morning and comes 4feet down in the evening, on which day the frog gets out of the well.
In the combinations of 2,3,6,7 how many possible combinations divisible by 4?
It takes five minutes to pass a rumor from one person to two other persons. The tree of rumor continues. Find how many minutes does it take spread the rumor to 768 persons.
Next number in the series: 77,49,36,18,?
Number of digits with a 2 in them between 100 and 400?
One ball was dropped from 8ft height and every time it goes half of the height. How much distance it will travell before coming to rest.
One clock ringes 7 O'clock in 7 sec.In how many seconds it will ring 10 O'clock.
One day the Finance minister decides that the country should have only 33 paise and 56 paise.If there are two traders having enough change in the two denominations, what is the minimum amount for which they can transact?
One ship goes along the stream direction 28 km and in opposite direction 13 km in 5 hrs for each direction.What is the velocity of stream? `
One watch is showing 30 past 3 .What is the angle between minutes & hours hand?