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1
From the following equation, state which variables are in inverse relation and find the proportionality constant.
y,z,9
2
Meenu and Mona are two sisters having scales 100 and 20 respectively. Compare their scales .
5/6
1/5
5
5/4
3
If 3: 5 = 12 : 20 then find the value of x in the relation
12
20
16
None of these
4
Monthly salary of Roma is 12500 Rs and Monthly Salary of Krishma is 25000. How many times is Krishma salary to that of Roma?
A statement which is expressed as an equivalence of two ratios is known as __________________________________
Proportion
Variation
Ratio
Probability
6
3:2
4:3
3:4
2:3
7
Mamta and Ravya are two sisters having marbles 100 and 120 respectively. Compare their marbles .
6/5
4/5
8
A worker is paid Rs. 200 for 8 days of work. If he works for 20 days, how much will he get?
500
1600
800
400
9
There are 30 boys and 20 girls in a class. The ratio of the number of girls to the number of boys is _________________
4/9
3/4
2/5
2/3
10
If 12: 11 = 36 : 33 then find the value of x in the relation 11 : 12 = 33 : x
36
11
The mean proportional of 6 and 24 is ?
15
144
Coins of 50p, Rs. 1 and x are in continued proportion. FInd the value of x.
Rs. 10
Rs. 2
Rs. 5
Rs. 3
13
Express rupees 125 to rupees 175 as ratios.
7:8
5:7
6:7
1:7
14
If x, y and z are in proportion, then:
x : y : : z : x
x : y : : y : z
x : y : : z : y
x : z : : y : z
If 4: 7 = 8 : 14 then find the value of x in the relation 4 : 8 = x : 14
Compare the following ratios: 3 : 4 and 9 : 16
3 : 4 > 9 : 16
3 : 4 < 9 : 16
3 : 4 = 9 : 16
3 : 4 9 : 16
17
If x = 3y and 6y = 15z, then the ratio of x to z is :
13 : 2
11 : 6
15 : 2
5 : 3
18
Compare the following ratios: 7 : 6 and 4 : 9
7 : 6 > 4 : 9
7 : 6 < 4 : 9
7 : 6 = 4 : 9
7 : 6 4 : 9
19
Convert the following to simplest form : 256 to 512
1:3
2:1
1:4
1:2
If 15: 7 = 45 : 21 then find the value of x in the relation 8 : 7 = 24 : x
22
24
21
An agent receives a commission of Rs. 73.00 on sales of Rs. 1000.00 The commission he will get on sales of Rs. 100.00 is ______ .
Rs. 7.30
Rs. 7.00
Rs. 6.00
Rs. 6.30
Compare the following ratios: 3 : 11 and 2 : 15
3 : 11 > 2 : 15
3 : 11 < 2 : 15
3 : 11 = 2 : 15
3 : 11 2 : 15
23
Monthly salary of Roma is 12500 Rs and Monthly Salary of Krishma is 25000. How many times is Roma salary to that of Krishma?
1/2
Monthly salary of Roma is 25000 Rs, Monthly Salary of Supriya is 35000 and Monthly Salary of Krishma is 30000 . How many times is Krishma salary to that of Supriya?
7/5
7/6
25
Which ratio is equal to 15 : 20?
5 : 10
18 : 25
21 : 28
26
The frequency of a vibrating guitar string varies inversely with its length. Suppose a guitar string 0.80 meters long vibrates 4 times per second. What frequency would a string 0.5 meters long have?
6.4
6.7
3.5
27
Which of the following are in proportion?
75:40=60:80
40:50=60:75
80:40=60:75
50:60=75:40
28
Suppose y is inversely proportional to the square of the x , and that y =36 when x = 5 ? Find y when x = 15
44
29
Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?
2 : 3 : 4
2 : 4 : 7
3 : 5 : 7
5 : 7 : 9
30
If 9: 11 = 27 : 33 then find the value of x in the relation 20 : x = 60 : -6
-2