a. 1/3 b. 1/8 c. 2/5 d. 7/100
joseph rimiru answered the question on October 16, 2017 at 18:58
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In a bakery, the mass of 30 cakes taken at random is 20 kg. If the mean of the first 12 is 400 g, find the mean of the mass of the other 18 cakes.
Date posted: October 16, 2017. Answers (1)
- Ten casual laborers were hired by a sisal factory for one week and paid in shillings, according to productive of each, as shown below:
616, 634,...(Solved)
Ten casual laborers were hired by a sisal factory for one week and paid in shillings, according to productive of each, as shown below:
616, 634, 721, 510, 634, 711, 615, 631, 634, 720
Find the mean, mode and median for the data.
Date posted: October 16, 2017. Answers (1)
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a. The value of x
b. The mode
(Solved)
The mean of the numbers x, 6x +1, 18 and 10 is 16. Calculate.
a. The value of x
b. The mode
Date posted: October 16, 2017. Answers (1)
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A capillary tube which is 2 cm^3 is filled with mercury. If the length of the mercury is 1.5 m, calculate the radius of the bore of the capillary tube.
Date posted: October 16, 2017. Answers (1)
- Evaluate each of the following
a. (18 – 21) + 31 =
b. 13 – (19 + 6) =
c. (100 -150) + 170 =
(Solved)
Evaluate each of the following
a. (18 – 21) + 31 =
b. 13 – (19 + 6) =
c. (100 -150) + 170 =
Date posted: October 16, 2017. Answers (1)
- Find the value of the unknown in each the following
36 ÷ y = 9
-144 ÷ y = 12
-195÷ n = -13
(Solved)
Find the value of the unknown in each the following
36 ÷ y = 9
-144 ÷ y = 12
-195÷ n = -13
Date posted: October 16, 2017. Answers (1)
- Evaluate
a. 20 ÷ 2 =
b. 100 ÷ (-25) =
c.(-140) ÷ (-70 =
d.-125 ÷ 5 =
(Solved)
Evaluate
a. 20 ÷ 2 =
b. 100 ÷ (-25) =
c.(-140) ÷ (-70 =
d.-125 ÷ 5 =
Date posted: October 16, 2017. Answers (1)
- Evaluate
a. 2 x (-7) =
b. (-21) x 4 =
c. (-3) x (-5) =
(Solved)
Evaluate
a. 2 x (-7) =
b. (-21) x 4 =
c. (-3) x (-5) =
Date posted: October 16, 2017. Answers (1)
- Evaluate the follow
a. 25 –(-42) =
b. -36 –(+51) =
c. (-15) – (-21) =
(Solved)
Evaluate the follow
a. 25 –(-42) =
b. -36 –(+51) =
c. (-15) – (-21) =
Date posted: October 16, 2017. Answers (1)
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Date posted: October 16, 2017. Answers (1)
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A cement factory packed it in 20kg, 25kg, 40kg, and 50kg. find the least amount of cement that can be packed into these bag equally.
Date posted: October 16, 2017. Answers (1)
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Date posted: October 16, 2017. Answers (1)
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Date posted: October 12, 2017. Answers (1)
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Date posted: October 12, 2017. Answers (1)
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a. 120 ,90
b. 72, 128
Date posted: October 12, 2017. Answers (1)
- Express the following values in terms of their factors (a) 600 (b) 486(Solved)
Express the following values in terms of their factors
a. 600
b. 486
Date posted: October 12, 2017. Answers (1)
- Daniel had 3543 bags of beans each weighing 50 kg. He sold 2443 of them (a) How many kilograms of beans was he left with (b) If he...(Solved)
Daniel had 3543 bags of beans each weighing 50 kg. He sold 2443 of them.
a. How many kilograms of beans was he left with
b. If he added 578 more bags of beans, how many bags did he end up with?
Date posted: October 12, 2017. Answers (1)
- A certain fabric 20 m long cost ksh 3000. What would be the cost of similar material 5 m longer?(Solved)
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Date posted: October 12, 2017. Answers (1)
- A tractor takes 10 days to cultivate a plot of land 3 hectares in area. What area of land will be cultivated in 25 days...(Solved)
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Date posted: October 12, 2017. Answers (1)
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Date posted: October 12, 2017. Answers (1)