Test: IF U BELIEVE IN YOURSELF, THEN TRY TRY & TRY TILL U SUCCEED.....
Category: Math
Description: It's a maths test, which u can solve but need practise.
Keywords:
A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed from 5 teachers and 10 students is
1000
1500
2100
8000
The probability that an electronic device produced by a company does not function properly is equal to 0.1. If 10 devices are bought, then the probability, to the nearest thousandth, that 7 devices function properly is
0.057
0.478
0.001
0
Calculate the area of a triangle whose sides are 13 cm, 5 cm and 12 cm.
32 cm sq.
900 cm sq.
30 cm sq.
15 cm sq.
The period of 2 sin x cos x is
4 pi sq.
2 pi
4 pi
pi
The mean of a data set is equal to 10 and its standard deviation is equal to 1. If we add 5 to each data value, then the mean and standard deviation become
mean = 15 , standard deviation = 6
mean = 10 , standard deviation = 6
mean = 15 , standard deviation = 1
mean = 10 , standard deviation = 1
If Log 4 (x) = 12, then log 2 (x / 4) is equal to
11
48
-12
22
If f(x) is an odd function, then | f(x) | is = an even function
True
False
If Log x (1 / 8) = - 3 / 2, then x is equal to
-4
4
1/4
10
The exam scores of all 500 students were recorded and it was determined that these scores were normally distributed. If Jane's score is 0.8 standard deviation above the mean, then how many, to the nearest unit, students scored above Jane?
394
250
400
106
The three solutions of the equation f(x) = 0 are -2, 0, and 3. Therefore, the three solutions of the equation f(x - 2) = 0 are
- 4, -2, and 1
-2, 0 and 3
4, 2, and 5
0, 2 and 5
Is x = 15 , if: x+3x/2=5(x-3)/3
True
False
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