Question 1
1: 1
2: 1
3: 1
4:1
Good Job!
Oops!
By the allegation rule, Cost of first variety Cost of second variety 30 75 Mean= 45 75  45 = 30 45 – 30 = 15 Ratio = 30: 15 = 6: 3 = 2:1
Please login to submit your explanation
You can check your performance of this question after Login/Signup
Start
Question 2
200 kg
300 kg
400 kg
500 kg
Profit from part 1 Profit from part 2 12 25 Total % profit 18 2518 = 7 1812= 6 Quantity of part 1: Quantity of part 2 = 7: 6 Since the total quantity is 1000 kg Therefore, quantity of part 2 = 1000 x 20/100 = 200 kg
Question 3
7:8
7:3
5:3
1:5
Using the rule of allegation, we get Price of low quality coffee Price of high quality coffee 70 120 Mean Price= 85 120  85 = 35 85 – 70 = 15 The needed ratio = 35 : 15 = 7: 3
Question 4
12.6kg
10.6
11.53 kg
13.89kg
Using the use of allegations, we get, Cost of 1 kg of salt Cost of second kind of salt 8.50 11.60 Cost of 1 kg of mixture 9 11.60 – 9 = 2.60 98.50= 0.50 Weight of first type of salt: weight of second type of salt weight of first kind of salt 60x = 26: 5 Weight of first type of salt = (60 x 5)/26= 11.53 kg
Question 5
1000
1100
1200
1600
Profit from part 1 of rice Profit from part 2 of rice 10 16 Overall Profit 14% 1614 =2 1410 = 4 Quantity of part 1: Quantity of part 2 = 2:4 = 1:2 Total weight of wheat = 1500 kg Quantity of the second part = quantity sold at 12% profit 1500 x = 1200
Question 6
7.5
1.3
5.6
6.7
for 1 kg zinc is 25% i.e 250 grams and in that mixture copper is 75% i.e 750 grams and 750 grams is 10% of 7.5 kgs So that amount of iron need to be added is 6.5 kg because 6.5 kg iron + 250 gm zinc + 750 gm copper = 7.5 kg mixture
Question 7
6:5
7:5
8:5
9:5
Applying the rule of allegation, we get Cost of 1 kg of first type of wheat Cost of 1 kg of second type of wheat 20 14 Mean price= 16.50 16.5014 = 2.50 20  16.50 = 3.50 Needed ratio = 3.50: 2.50 = 7: 5
Question 8
30720 liters
30520 liters
3020 liters
None
Let the initial quantity of pure milk be = x litres Quantity of milk after 4 withdrawals = x (1 ) n = x (1  ) 4 After 4 withdrawals, the ratio of mixture left = 17: 15 = x (1  ) 4 ÷ x = = ( ) = = 15(x – 4096) = 17x 15x – 61440 = 17x 2x = 61440 x= 30720 liters
Question 9
3:1
1:1
2:1
According to the rule of allegations, we get Tea A Tea B CP = 1050 CP = 1230 Mean Price= 1100 1200 – 1100= 100 1100 – 1050 = 50 Ratio = 100: 50 = 2: 1
Question 10
11: 3
11: 6
11: 9
Using the rule of allegation Beans Lentils 25 18 Mean Price= 19.50 25 19.50 = 5.50 19.5018 = 1.50 Required Ratio = 5.50: 1.50 = 11: 3
Please login to report
Login/Signup
Personalized Analytics only Availble for Logged in users
Analytics below shows your performance in various Mocks on PrepInsta
Your average Analytics for this Quiz
Rank

Percentile
0%
Completed
0/0
Accuracy
March 25, 2021
Login/Signup to comment
Login/Signup to comment