8

1. Divide Rs.2340 into three parts, such that first part be double that of second part and second part be 1/3 of the third part.Find the Third part amount?
   A.Rs.780
   B.Rs.1170
   C.Rs.750
   D.Rs.390
   E.None of these
   
   Answer & Explanation

   Answer – B.Rs.1170
   Explanation :
   First: Second: Third = 2:1:3
   Third part = 3*2340/6 = 1170
2. The ratio of income of A and B is 2:3. The sum of their expenditure is Rs.8000 and the amount of savings of A is equal to the amount of expenditure of B.What is the their ratio of  sum of income to their sum of savings?
   A.5:3
   B.3:2
   C.4:3
   D.3:1
   E.None of these
   
   Answer & Explanation

   Answer -A.5:3
   Explanation :
   2I-E + E = 8000
   I = 4000
   Sum of their Income = 5*I = 5*4000 = 20,000
   Sum of their Savings = 20000-8000 = 12,000
   20000:12000 = 5:3
3. There are 2 containers of equal capacity. The ratio of milk to water in the first container is 4:5 and in the second container is 3:7.If they are mixed up then the ratio of milk to water in the mixture will be
   A.17:63
   B.65:96
   C.34:75
   D.67:113
   E.None of these
   
   Answer & Explanation

   Answer – D.67:113
   Explanation :
   4+5 = 9=> 40:50
   3+7 = 10=> 27:63
   40+27 : 50:63 = 67:113
4. There are two numbers. When 25% of the first number is added to the second number, the resultant number is 1.5times th first number.What is the ratio of 1st number to the 2nd number ?
   A.3:5
   B.5:4
   C.4:5
   D.2:3
   E.None of these
   
   Answer & Explanation

   Answer – C.4:5
   Explanation :
   A+25/100 + B = 1.5A
   A/4 + B = 15A/10
   10A+40B/40 =60A/40
   10A+40B = 60A
   50A = 40B
   A/B = 4/5
5. A bag contains 10p,25p and Rs50p coins in the ratio of 5:2:1 respectively. If the total money in the bag is Rs.120.Find the number of 25p coins in that bag?
   A.160
   B.130
   C.110
   D.90
   E.None of these
   
   Answer & Explanation

   Answer – A.160
   Explanation :
   10*5 : 25*2 : 50*1 = 50:50:50 = 1:1:1
   120/3 = Rs.40
   Rs. 1 = 4
   Rs.40 = 4*40 = 160 coins
6. The ratio of Ganesh’s age and his mother’s age is 5:12.The difference of their ages is 21.The ratio of their ages after 4 years will be
   A.3:7
   B.6:11
   C.4:7
   D.19:40
   E.None of these
   
   Answer & Explanation

   Answer – D.19:40
   Explanation :
   12x – 5x = 21
   7x = 21
   X = 3
   5:12 = 15:36
   After 4 years = 19:40
7. The ratio of students of three classes is 2:3:4. If 12 students are increased in each classes then their ratio turns into 13:18:23. What was the total number of students in all the three classes originally ?
   A.250
   B.215
   C.225
   D.190
   E.None of these
   
   Answer & Explanation

   Answer – C.225
   Explanation :
   50:75:100
   15 students increased
   65:90:115  => 13:18 :23
   Total no of students = 50+75+100 = 225
8. Ravi and Govind have money in the ratio 5 : 12 and Govind and Kiran also have money in the same ratio 5 : 12. If Ravi has Rs. 500, Kiran has
   A.Rs.2500
   B.Rs.2880
   C.Rs.1850
   D.Rs.3100
   E.None of these
   
   Answer & Explanation

   Answer – B.Rs.2880
   Explanation :
   Ravi : Kiran = 5/12* 5/12 = 25/144
   Kiran  = 144*500/25 = 2880
9. A town with a population of 1000 has provision for 30days, after 10 days 600 more men added, how long will the food last at the same rate ?
   A.12 days
   B.14 ½ days
   C.12 ½ days
   D.15 days
   E.None of these
   
   Answer & Explanation

   Answer – C.12 ½ days
   Explanation :
   1000*20/1600 = 12 1/2 days
10. A man spends Rs.2480 to buy lunch box Rs.120 each and bottles at Rs.80 each,What will be the ratio of maximum number of bottles to lunch box are bought ?
    A.13:12
    B.11:13
    C.9:12
    D.7:10
    E.None of these
    
    Answer & Explanation

    Answer – A.13:12
    Explanation :
    Check the ans using option
    13*80+ 12*120 = 1040+1440 = 2480