A cask contains 12 gallons of mixture of wine and water in the ratio 3:1 .How much of the mixture must be drawn off and water substituted so that the wine and water in the cask may become half and half
A vessel is full of a mixture of kerosene and petrol in which there is 18% kerosene.Eight litres are drawn off and then the vessel is filled with petrol.If the kerosene is now 15% how much does the vessel hold?
Hi All,
The mean of 1,2,2^2,......2^31 lies between :
a)2^24 to 2^25
b)2^25 to 2^26
c)2^26 to 2^27
d)2^23 to 2^24
e)2^29 to 2^30
A motorcyclist left point a for point b . Two hours later another motorcyclist left A for B and arrives at b as same time as motorcyclist .had both cyclist started simultaneously from travelling towards each other they would have met in 80 minutes . How much time did the faster motorcyclist to travel from a to b ?
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The cost of digging a pit was Rs 1347 .How much will it cost approx if the wages of the workmen per day increased by 1/8 of the former wages and the length of working day increased by 1/20 of the former period?
Brass is an alloy of copper and zinc.Bronze is an alloy containing 80% copper 4% zinc n 16% tin.A fused mass of brss n bronze is found to contain 74% copper 16% zinc n 10% tin.the ratio of copper to zinc in brass is?
hcf of (2^100 - 1, 2^120 -1)
ans is 2^20 -1
plz explain the method....
How to solve these questions on percaentage?
1 The ratio of Jim's salary for october to his salary for november was 15:1.333 and the ratio of the salary for November to that of December was 2:2.6666. The worker got 40rs more for December than for October and recieved a bonus constituting 40% of the salary for 3 months. Find the bonus(Assume that the number of workdays is same in every month)
2:The cost of an equipment depreciates 10 % in first year,12.5 %i second,15% in third,what will be its value at the end of 10 years?
0 voters
Last two digits of the multiplication of 122*123*125*127*129a)20 b)50 c)30 d)40 e)60
Ans:b
Plz explain the solution some1
B is the answer
B is the answer
B is the answer
Take last two digit of each ( 22*23),(25*27),(29)
Take last two digit of each product ( written in bracket )
( 06*75),(29)
Again take last two digit of product written in bracket
( 50 *29)
SO last two digit is 50
How many days do u all think it would take to solve quant by arun sharma completely if one is a working professional??????????????????/
Number systems- LOD-2 .
What is the sum of the series 1/1+1/3+1/6+1/10.... to infinity
a)2
b)2.25
c)3
d)4
Find the sum of all possible whole number divisors of 720.
a) 2012,b) 2624,c) 2210,d) 2418,e) 2520.
Can any1 explain Functions LOD 3 Q24 25 27 29 33. these are based on graphs but no explanation is given ..
A mother divided an amount of Rs 61000 between her 2 daughters aged 18yrs and 16 yrs respectively and deposited their shares in a bond.If the interest rate is 20% compounded annually and if each received the same amount as the other when she attained the age of 20 years,their shares are?
In a class 25% of the students were absent for an exam.30% failed by 20 marks and 10% just passed becoz of grace marks of 5.Find the average score of the class if the remaining students scored an average of 60 marks and the pass marks are 33(counting the final scores of the candidates).
Hans and Bhaskar have salaries that jointly amount to Rs 10000 per month .They spend the same amount monthly and then it is found that the ratio of the savings is 6:1.Which one of the following can be Hans's salary?
LOD1 q20 of inequalities..pls explain