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Questions (71)
The sun rose before I got up.
Please tell me error in this sentence. Help me in the use of preposition how i improve it.any notes
7 answers
8,774 views
If 3/4 of the employees in a supermarket are not college graduates,what is the ratio of the number of college graduates to those
5 answers
4,950 views
At what time a train travelling at 50 miles per hour arrives at the station, if it is the 5 miles from the station at 5:00 pm.
4 answers
690 views
Avi drove from his home to college 60 miles per hour. Returning over the same route, there was a lot of traffic, and he was only
4 answers
1,860 views
Two automobiles travel in the same direction at 40 miles per hour and 50 miles per hour, respectively? How many hours after they
2 answers
742 views
Jenny, ken and Ben have total $390.jen has 5 times as much as Ben, and ken has3/4 as much as jen .how much money does ken have?
2 answers
610 views
If 1/2 x years ago Adam was 12,and1/2 x years from now he will be 2x years old,how old will he be 3x years from now?
2 answers
619 views
The cost price of an article which on being sold at a gain of12% yields Rs.6 more than when it is sold at a loss of 12%,is
1 answer
396 views
Aslam buys 30 cows for an average of Rs.900. He buys 12 more by bringing the average cost to Rs.875. How much did the recent
3 answers
818 views
Arid buys 2750 eggs For $100 and loses 350 of those .If he sells the remaining eggs at 70percents/dozen,what percent of his
3 answers
551 views
A salesman sold a book at 5%of the marked price instead of discounting the marked price by 5%.If he sold the book for
2 answers
722 views
The quotientire and reminder are x-2 and -2x+4 respectively when the polynomial x^3-3x^2+x+2 is divided by g(x) find g (x).
3 answers
346 views
Find Solution set of underrootx=6x.here under root x means positive square root of x.
1 answer
357 views
The price of a table was Rs 1000.it was first increased by 30%.after a week the shop owner decreased the price by 25%.what is
2 answers
536 views
A map is drawn to a scale of 1:3000.two points on the map are 9.5cm apart .what is the actual distance between the points?
5 answers
3,166 views
What is The mean proportonal between 100 and 160
1 answer
373 views
2log(4/x)=?
1 answer
322 views
(10)^20, (-20)^10, (20)^-20, (-30)^19 , (-20)^-10 , (-19)^-19 .how many positive and negative numbers from these?
1 answer
381 views
The product of three consecutive integers is 21 more than the cube of smallest integer.the smallest integer is.A.-3 B.-4 C.-5
3 answers
762 views
Sarah bought bananas,apples and pears.the ratio of bananas to apples was 3 to 5 and the ratio of the apples to pears was 2 to
5 answers
1,528 views
If one root of the equation x^2-px+20=0 is 4,while the equation x^2-qx+p has equal roots, then possible value of q is. A)3.
B)4.
1 answer
357 views
Express the recurring decimal into fraction.
a)0.02469999999... b)123.76111111... c)542.8888888... d)789.456456456...
5 answers
545 views
A biology class has 12 boys and 18 girls .what fraction of the class are boys?
Solution. 12/30=2/5 Please tell me this correct or
6 answers
4,185 views
Highest temperature was 58degree c and lowest temperature was -88 degree c.what is the temperature deference?
1 answer
392 views
Sana was born in 20 Bc and died in AD 42 (or CE).how old was she when she died?
1 answer
400 views
Lily was born in 100Bc and was 56 years old when she died .in what year did she die?
4 answers
399 views
The average noon temperature in Sydney in january is 32 degree c .the average midnight temperature in bostone in January is -12
1 answer
470 views
One day at ABC high school, 1/12 of the students were absent,and 1/5 of those present went on field trip.if the number of the
3 answers
1,616 views
When 300 pupils are in a lecture hall,only 2/3 of the seats are occupied. How many seats are there?
2 answers
917 views
If a man's weekly salary is x and he saves y dollars, what part of his weekly salary does he spend?
3 answers
1,096 views
If John has p hours of homework and has worked for r hours, what part of his homework is yetc to be done?
Solution:(p-r)/p
4 answers
919 views
Jason won some goldfish at the state fair.during first week,1/5 of them died, and during second week, 3/8 of those still alive
4 answers
4,128 views
One half of the employees of ICI Co earn salaries above 18000/=annully ,one this of the reaminderr earn salaries between 15000
4 answers
509 views
The number of half pound packages of tea that can be weighted out of a box that hold 21/2 lb.of tea is.........?
4 answers
1,336 views
If 1/3 of the liquid contents of a can evaporates on the first day and 3/4 of the reaminder evaporates on the second day, the
5 answers
460 views
A car run until the gas tank is 1/8 full.the tank is then filled to capacity by putting in 14 gallons.the capacity of the gas
3 answers
1,117 views
How many ounces are there in p pounds and q ounces?
1 answer
316 views
David had d dollars. After a shopping trip, he returned with c cents.how many cents did he spend?
2 answers
1,195 views
How many passengers can be seated on a plane with r rows, if each row consists of d double seats and t triple seats?
2 answers
582 views
If p pounds of potatoes cost $k,find the cost (in cent) of one pound of potatoes.
1 answer
463 views
ALi rents a car for d days. He pays m dollars per day for each of first 7 days,and half that rate for each additional day. Find
3 answers
491 views
How can I find number of inches in F feet and I inches?
1 answer
369 views
Find the least number that is multiplied to 1176 t0 make it perfect square.
4 answers
3,044 views
The of the 45 numbers is 9.the average of the first 20 is 10 and the average of the last 24 is 8.find the 21st number.
I have
3 answers
425 views
Find the greatest number of four and five digits, which are perfect square.
Also find least number four digits, which is perfect
1 answer
475 views
Last year, the ratio of the tennis matches ta that central college young boy's team won to the number of matches they lost was
3 answers
899 views
The ratio of the number of freshman to old students to juniors to seniors on a college basketball team is 4:7:6:8.what percent
4 answers
2,219 views
Michael has 1 liter of a mature containing 69%of boric acid. How much water must be added to make the mixture 50% boric acid ?
Re
1 answer
409 views
ALi rents a car for d days. He pays m dollars per day for each of first 7 days, and half that rate for each additional day. Find
2 answers
633 views
Find moles of atoms in 9.00g of Magnesium nitrate.
And please tell me method of typing molecular formula of any compound as of
3 answers
453 views
Find moles of O atoms in 9.00g of Mg(NO3)2.
6 answers
4,508 views
Number of Oxygen atoms in 4.4g of CO2 is
A)1.2×10^13 B)6×10^22 C)6×10^23 D)12×10^23 Please tell me correct option with the
3 answers
1,190 views
Kg/m^2 is the unit of pressure how i prove it. Please help me.
1 answer
380 views
Express the ratio in its simplest form.
8 furlongs:3 miles, 32 ounces:5pounds, 14 pounds:2 stones, 1760 yards :2 miles. Please
3 answers
439 views
........ of the books of ali have blue colour.
We can use some and none in the blank. But what do you think about 'any'in this
3 answers
487 views
In how many ways a set can be written?
Two or three. I am confused please tell me correct.
1 answer
347 views
Find the ratio of rate dffusion of So2 ,O2,CH4?
1 answer
373 views
Find the ratio of rate diffusion of SO2,O2, CH4?
4 answers
1,583 views
What is the determinant of a square matrix whose entry or element is digit or number.
For example (100). Please tell me method of
2 answers
527 views
If the vectors A and B are such that |A+B|=|A-B, then find the angle between vectors A and B?
1 answer
414 views
Find the unit vector parallel to the vector : C=12i+24j-8k.
A.9/7i+5/7j+1/7k B.3/7i+6/7j-2/7k. I think B is correct. Please tell
4 answers
2,154 views
Find the angle between the vectors A=6i+8j+10k
B=6i+8j-10k
4 answers
1,456 views
The maximum and minimum magnitudes of the resultant of two given vectors are 17N and 7N respectively. If two vectors are at
2 answers
767 views
The percentage errors in the measurement of mass and speed are 2% and 4%respectively. Then find maximum error in the measurement
2 answers
624 views
If y=1+X+X^2+X^3........|x|<1 then x=.....?
Please solve this problem.
1 answer
313 views
If a1, a2 ,a3 ........an are in Ap such that a5 +a7=16,then find a6.
4 answers
404 views
Find geometric mea between radical 2 and radical 8.
1 answer
319 views
Find the sum of an A.P of seventeen terms whose middle term is five .
6 answers
4,013 views
Find active mass of 4gm of H2.
Please solve it and explain it.
4 answers
597 views
If 18oo cal:of heat is added to a system while system does work equivalent to 2800 cal:by expanding against its surroundings.
4 answers
880 views
Please tell me how many bonds are in cucl2.4h2o and in CuSO4.5h20 and how cu+2 forms bonds in orbitals 4s,3d with cl2,so4. also
1 answer
390 views