11 questions
What type of proportion does the table represent?
Direct
Inverse
I dont' know
A truck covers a distance of 510 km in 34 litres of diesel. How much distance would it cover in 20 litres of diesel?
305 km
300 km
350 km
200 km
A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five hours?
200
800
700
940
If a box of sweets is divided among 24 children, they will get 5 sweets each. How many would each get, if the number of the children is decreased by 4?
5
6
12
17
In a hostel, 75 students had food provision for 24 days. If 15 students leave the hostel, for how many days would the food provision last?
20
25
55
30
3y +9
3y
3y - 9
3y + z
The identity (y + a) (y +b) is
y2 + ( a - b )y + ab
y2 - ( a + b )y + ab
y2 + ( a + b )y - ab
y2 + ( a + b )y + ab
which are the binomials among these 5z -18xy2 , 2zy , -z + 2ab , 3am 4ab -3xy +6y
5z -18xy2
-z + 2ab , 3am , 5z -18xy2
5z -18xy2 , -z + 2ab
5z -18xy2 , 2zy , 3am
coefficient of z in the expression 5xyz3 -3z is
5x
5xy
3z
-3
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