Related Questions

Four litres of milk are to be porued into a 2-litre bottle and a 4-litre bottle . If each bottle is to be filled to the same fraction of its capacity, how many litres of milk should be poured into the 4-litre bottle ?
A 8/3
B 7/3
C 5/2
D 2/3
Two tanks A and B are are filled with petrol. Tank A holds 600 litre more than tank B. If 100 litre of petrol were taken out from each tank A would then contain 3 times as much petrol as tank B. What is the total number of litre of fuel in the two full tanks?
A 1400
B 1200
C 1000
D 900
A car owner buys petrol at Tk. 17, Tk. 19 and Tk. 20 per litre for three consecutive years. Computer the average cost per litre, if he spends Tk. 6460 per year.
A Tk. 18.49
B Tk. 18.58
C Tk. 19.20
D Tk. 21.66
Solution X contains 40% salt and 60% water by weights, Solution Y contains 25% salt and 75% water. If a mixture of X and Y contains 30% salt. What percent of the weight of this mixture is solution X?
A 10%
B 33.3%
C 40%
D 42.5%
In a solution of 60 litre of suger and water, 20% is sugar. How much water (In litre) must be added to make a solution that is 8% sugar?
A 60
B 70
C 90
D None of these
বায়ুতে শব্দের বেগ 330m/sec। 1 litre হাইড্রোজেন গ্যাসে শব্দের বেগ নির্ণয় কর। (হাইড্রোজেন গ্যাসের ভর0.0896gm ও 1 litre বায়ুর ভর1.29gm)
A 1253.6 m/sec
B 12.93 m/sec
C 1.2536 m/sec
D 1253 m/sec
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
Three math classes , X, Y , and Z, take an algebra test. The average score in class X is 83. The average score in class Y is 76. The average score in class Z is 85. The average score of all students in classes X and Y together is 79. The average score of all student classes Y and Z together is 81. What is the average for all the three classes?
A 81
B 81.5
C 82
D 84.5
Sodium chloride content in sea water is about __________ gms/litre.
A 2
B 10
C 25
D 50
How much salt must we add to 10 grams of a 20% salt solution to strengthen it into a 50% solution?
A 5 gm
B 3 gm
C 6 gm
D 4 gm

Next steps