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Rice costing Rs. 480/ is needed for 8 members for 20 days. What is the cost of rice required for 12 members for 15 days? 
A) 540 B) 320 C) 450 D) 560 Correct Answer : 540 Explanation : cost of rice for 8 members in a family for 20 days = 480 Rs 
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Priya broke her bangles as she slipped while walking. If she was wearing 12 bangles in her hands then which of the following cannot be the ratio of broken is to unbroken bangles? 
A) 1 : 1
B) 1 : 2
C) 1 : 3
D) 1 : 4
Correct Answer : 1 : 4 Explanation : the sum of ratio must be a factor of 12 (1 x 12, 2 x 6, and 3 x 4) , that is 1, 2, 3, 4, 6 and 12 . So, they cannot be in the ratio 1 : 4 
The ratio of incomes of A and B is 4:3 and their expenditures are in the ratio 3:2. If A saves one third of his income then find the ratio of their savings? 
A) 4:3
B) 9:7
C) 12:11
D) 4:5
Correct Answer : 12:11 Explanation : Let, income of A and B are 4x and 3x,and their expenditure are 3y and 2y As given A save 1/3 rd of his income,then 4x  3y = (1/3)*4x then ratio of their saving = (4x  3y)/(3x  2y) 
The ratio of money with Ram and Gopal is 7 : 17 and that with Gopal and Krishan is 7: 17. If Ram has Rs. 490, Krishan has ? 
A) Rs. 2890
B) Rs. 2330
C) Rs. 1190
D) Rs. 2680
Correct Answer : Rs. 2890 Explanation : a : b : c = A : B : C is equivalent to ,a/A = b/B = c/C 
If 8 : y = y : 18 , then y is equal to ? 
A) 144
B) 72
C) 26
D) 12
Correct Answer : 12 Explanation : a : b : c = A : B : C is equivalent to ,a/A = b/B = c/C 8 x 18 = y^{2 } 
The third proportional to 0.8 and 0.2 is ? 
A) 0.4
B) 0.8
C) 0.05
D) 0.032
Correct Answer : 0.05 Explanation : Third Proportional: If a: b = b: c, then c is called the third proportional to a and b. Let 0.8 : 0.2 : : 0.2 : X 
The fourth proportional to 0.2, 0.12 and 0.3 is ? 
A) 0.13
B) 0.15
C) 0.18
D) 0.8
Correct Answer : 0.18 Explanation : Fourth Proportional: If a : b = c: d, then d is called the fourth proportional to a, b, c. Let 0.2 : 0.12 : : 0.3 : X 

If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : D is equal to ? 
A) 2 : 7
B) 7 : 8
C) 16 : 35
D) 4 : 13
Correct Answer : 16 : 35 Explanation : (A/B) x (B/C) x (C/D) = (2/3) x (4/5) x (6/7) = 16/35 
A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1 : 2 : 3 . If their total value is 60, then the number of 5 paise coins is ? 
A) 10
B) 50
C) 30
D) 40
Correct Answer : 30 Explanation : Let the number of 25 paise, 10 paise and 5 paise coins be X, 2X and 3X, respectively. Then , 
Find the mean proportional between 9 and 64 ? 
A) 25
B) 24
C) 27
D) 35
Correct Answer : 24 Explanation : Mean Proportional: Mean proportional between a and b is square root of ab. Mean proportional = √(9 x 64) 

Two numbers are in the ratio of 7:9, if we subtract 14 from each number the ratio will become 5:7. Find the sum of both the numbers? 
A) 112
B) 144
C) 128
D) 160
Correct Answer : 112 Explanation : Let the numbers be 7x and 9x . When 14 is subtracted from both,then we get So the numbers are 49 and 63 ,and their sum =(49+63)= 112 
The ratio of the number customers visited to a mall to those who purchased the clothes is 11:4. On a particular day 1320 customers visited to the mall. How many of these purchased the clothes? 
A) 320
B) 480
C) 360
D) 425
Correct Answer : 480 Explanation : The ratio of number customers visited / customers who purchased the clothes =11 / 4 Let the X number of customers purchased the clothes Thus number of customers purchased the clothes ,X = 480 
The ratio of expenditure and savings of a person is 26: 3. If his monthly income is 7250, then what is his monthly savings? 
A) 290
B) 350
C) 750
D) 780
Correct Answer : 750 Explanation : Let monthly expenditure = 26x and monthly savings = 3x 
750 is distributed in A, B and C such that A : B = 5 : 2, B : C = 7: 13 then what is A's part? 
A) 140
B) 250
C) 260
D) 350
Correct Answer : 350 Explanation : A : B = 5 : 2 = 5/2 :1 
60 m of a uniform wire weight 80 kg. What will 141 m of the same wire weight? 
A) 144
B) 188
C) 288
D) 282
Correct Answer : 188 Explanation : 60/80 =141/x 
Ratio between three numbers is 1 : 2 : 3 and sum of their squares is 504. The numbers are? 
A) 6, 12, 18
B) 3, 6, 12
C) 4, 8, 24
D) 2, 4, 8
Correct Answer : 6, 12, 18 Explanation : Let the three numbers be x, 2x and 3x respectively 
A bag contains 50 paise, 25 paise, and 10 paise coins in the ratio 5: 9: 4 amounting to Rs 206. Find the number of 25‐paise coins? 
A) 400
B) 540
C) 420
D) 360
Correct Answer : 360 Explanation : Let the number of 50paisa, 25paisa & 10paisa coins be 5x ,9x , 4x respectively So, (.50)(5x) + (.25)(9x) + (.10)(4x) = 206 therefore, 