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If 0.75 :x :: 5 : 8, then x is equal to
1.25
1.12
1.258
1.2
Find the ratio of 2.5 litre to 750ml
10 : 3
3 : 10
12 : 13
3 : 4
An alloy is to contain copper and zinc in the ratio 9 :4. The zinc required (in kg) to be melted with 24 kg of copper, is
10 and 2/3
10 and 1/3
9 and 2/3
9
The ratio of the cost prices of two articles A and B is 4:5.The articles are sold at a profit with their selling prices being in the ratio 5:6.If the profit on article A is half of its cost price, find the ratio of the profits on the articles A and B
7:10
10:11
5: 9
9:11
There is a square of side 6cm
. A circle is inscribed inside thesquare.
Find the ratio of the area of circle to square
13/14
12/14
11/14
10/11
Two numbers are such that their difference, their sum and their product are in the ratio 1: 7: 24.The product of the numbers is
24
6
48
12
If 76 is divided into four parts proportional to 7:5:3: 4, then the smallest part is
12
16
15
19
p,q and r are three positive numbers and Q=(p q r)/2; If (Q-p):(Q-q):(Q-r) = 2:5:7, then find the ratio of p,q and r
12:9:7
4:3:7
9:7:4
4:3:2
60 litres of diesel is required to travel 600 km using a 800 ccengine.
If the volume of diesel required to cover a distance varies directly as the capacity of the engine, then how many litres of diesel is required to travel 800 kms using 1200 cc engine
120 litres
170 litres
90 litres
80 litres
The ratio of number of males to number of females in a club is 7: 4. If there are 84 males in the club, the total number of members in the club is
136
126
132
148
If three numbers in the ratio 3 : 2 : 5 such that the sum of their squares is 1862, the middle number will be
21
14
7
35
The speed of an engine is proportional to the square root of the number of wagons attached to it. Without any wagons attached to it the speed of the engine is 60km/hr. With 16 wagons attached to it the speed of the engine is 40km/hr; find the maximum number of wagons that can be attached so that the train moves
144
143
145
142
if A : B = 2 : 3 and B : C = 4 : 5 then C : A is
8 : 15
8 : 5
15 : 8
12 : 10
The average age of three boys is 25 years and their ages are in the ratio 3: 5: 7. The age of the youngest boy is
15 years
9 years
21 years
18 years
Two numbers are in the ratio 3: 5. If each number is increased by 10, the ratio becomes 5: 7. The numbers are
3, 5
13, 22
15, 25
7, 9
The price of Machine D equals the sum of the prices of machine A, B and C whose price are in the ratio 2:3:4respectively.
If weights of A, B, C and D varies as square of its individual price and difference of weight of D and A, B and C together is 9880 kg. Then what is the weight of D
NONE OF THESE
15800 kg
15390 kg
14790 kg
A 24 litres mixture contains water and milk in the ratio 3: 5. How much water should be added to this mixture to reverse this ratio
10
12
15
16
There are 2 vessels which are filled with the purecomponents.
Vessel 1 contains 20 litres of milk and vessel 2 contains 20 litres of water, 5 litre of milk is taken from the vessel 1 and replaced in vessel 2. Then 4 litres of mixture is transferred from vessel 2 to vessel 1. Find the ratio of amount of water in vessel 1 to the amount of milk in vessel 2
16 : 21
8:7
NONE OF THESE
7: 8
The ratio of two numbers is 3: 8 and their difference is115.
The greater number is
240
230
69
184
If p : q = 3 : 4 and q : r= 8 : 9, then p : r is
3 : 2
2 : 3
1: 2
1: 3
1
2
4
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