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Rilwan
Questions and answers by visitors named
Rilwan
Questions (22)
Tom is twice as old as Mary,but he is two years younger than Jim.What is Mary age if Jim will be twenty years old in two years
5 answers
2,312 views
M and N are the midpoints of opposite sides of square ABCD.A point is selected at random in the square.find the probability that
4 answers
2,291 views
A gas occupies 8 litres at 23'C and 70cmHg what is the volume at stp
5 answers
2,792 views
A thread of mercury of length 15cm is used to trap some air in a capillary tube with uniform cross sectional area and closed at
4 answers
13,760 views
A compound F on heating give a cracking sound and G give a reddish brown fumes when hot, and yellow when cool, and a gas H light
2 answers
525 views
In a large crowd,there are three times as many men as women.Three people are chosen at random.Assuming that there are so many
4 answers
2,083 views
The 90 men that visited a restaurant take one of either pounded yam,rice and amala.10 take pounded yam and rice,19 take rice and
17 answers
3,753 views
The difference between the digits of a two digit number is 1.The number itself is 1 more than 5 times the sum of its digits.If
3 answers
739 views
What is the vertex of a cone
1 answer
400 views
Find the square root of 12-22square root 2
4 answers
336 views
A wire length 2m and radius 1mm is stretched by 25mm on application of a force of 1000N.Calculate the young modulus
2 answers
604 views
A wire length 2m and radius 1mm is stretched by 25mm on application of a force of 1000N.Calculate the young modulus
5 answers
2,936 views
A fixed mass of gas of volume 600 cm cube at a temperature of 27 C is cooled at constant pressure to a temperature of 0C.what is
2 answers
783 views
A and B are points on the parallel of latitude 58.4N their longitudes being 148W and 32E respectively.What is their distance
6 answers
1,091 views
A uniform capillary tube closed at one end contained dry air trapped by a thread of mercury 8.5×10^-2m long.When the tube was
2 answers
2,430 views
A uniform capillary tube closed at one end contained dry air trapped by a thread of mercury 8.5×10^-2m long.When the tube was
4 answers
2,612 views
A uniform capillary tube closed at one end contained dry air trapped by a thread of mercury 8.5×10^-2m long.When the tube was
4 answers
1,065 views
The market price of a box of sweets is #2800.A customer is given a 4% discount for purchasing 40 boxes.How much did the customer
1 answer
435 views
If 0.022 kg of ice at 0C is added to 0.450 kg of water at 80C, what is the final temperature. (Assume that there is no heat lost
2 answers
649 views
d^2y/dx^2=10-3x
find dy/dx+c
1 answer
361 views
If event A=(drawing a king) and event B=(drawing a red card).what is the probability of drawing A or B
4 answers
523 views
A spring of force constant 1500N/M is acted upon by a constant force of 75N.Calculate the potential energy stored in the spring.
2 answers
525 views
Answers (4)
But the colour of the king not specified and don't forget there are 4 kings in a playing cards.2 red kings and 2 black kings
A thread of mercury of length 15cm is used to trap some air in a capillary tube with uniform cross sectional area and closed at one end.With the tube vertical and the open and uppermost,the length of the trapped air column is rock.calculate the length of
Could you help me with the problem?
The final answer is 37....The solution u gave was 21
