a student is ranked 13th from right and 8th from left.how
many are there?
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Denominator is 4 greater than numerator if 10 is added to Denominator,the fraction becomes 1/8.what is the fraction.
1, 11, 21, 1211, 111221, 312211, . . . . . what is the next term in the series?
A train 100 meter long takes 3 second to cross a man walking at the rate of 6km/hr in a direction opposite to that of the train. Find the speed of the train.
If the ratio of the areas of 2 queres is 2:1, then the ratio of the perimeters of the squares is
there are 27 coins in which one is heavier than rest(all equal weight). how many measurements are needed to isolate that odd one.
A certain type of mixture is prepared by mixing brand A at Rs.9 a kg. with brand B at Rs.4 a kg. If the mixture is worth Rs.7 a kg., how many kgs. brand A are needed to make 40kgs. of the mixture?
A worker pay Rs20 a day ,he works 1,1/3,2/3,1/8,3/4 in a week.What is the total amount paid to the worker.
chief : tribe :: governor :
a block of ice floats on water in a beaker, as the ice melts,the water level in the beaker will
A train overtakes two persons walking along a railway track. The first one walks at 4.5 km.hr . the other one walks at 5.4 km/hr. the train needs 8.4 and 8.5 seconds respectively to overtake them, What is the speed of the train if both the persons are walking in the same direction as the train?
Two pencils costs 8 cents, then 5 pencils cost how much
The price of sugar increases by 20%, by what % house-wife should reduce the consumption of sugar so that expenditure on sugar can be same as before
One clock ringes 7 O'clock in 7 sec.In how many seconds it will ring 10 O'clock.
Why we use Caffine in HPLC calibration?
In a class there are 45 pupil, out of them 12 are in debate only and 22 in singing only. Then how many in both?