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If R:S = 0.01:0.11 and S:T = 2.2:1, Find R:S:T? |

A) 2:2:1 B) 20:22:10 C) 20:2:1 D) 2:22:10 Correct Answer : 2:22:10 Explanation :R:S = 0.01:0.11 = 1:11 Therefore for the ratio R:S:T R:S = 1*22:11*22 |

In a school, Under a Saving Scheme, Rekha saves 3/2 times the savings of Bindu, Geeta saves 4 times the savings of Rekha. Find the ratio of the savings of all the three in least terms? |

A) 12 : 13 : 12 B) 12 : 3 : 12 C) 2 : 3 : 4 D) 2 : 3 : 12 Correct Answer : 2 : 3 : 12 Explanation :As is given R = 1.5B So ratio of the savings their saving The ratio of savings of Bindhu to Rekha to Geeta is 2 : 3 : 12 |

A certain sum of money is divided between A and B in the ratio of 5/4 : 5/3 and A got Rs. 360/-. Find the total sum of money and B’s share? |

A) 480 B) 120 C) 240 D) 540 Correct Answer : 480 Explanation :Let the share of B be X A : B = 5/4 : 5/3 = 15/20 = 3/4 Now 360/X = 3/4 |

In an office, the ratio of the salaries of an officer and a clerk is 15:7. If the salary of a clerk is Rs. 720/- less than the salary of the officer, find the salary of each? |

A) 1000 ,600 B) 1050 ,630 C) 1250 ,60 D) 1350 ,630 Correct Answer : 1350 ,630 Explanation :Let the salary of officer is X and clerk is Y from eq1 X=15Y/7 15Y/7 - Y =720 |

In an election to a municipal council, the votes secured by two candidates are in the ratio 13:19. The elected candidates gets 312 votes more than the second candidate. How many votes are secured by the second candidate? |

A) 500 B) 620 C) 676 D) 700 Correct Answer : 676 Explanation :Let the two candidates are A and B As is given the second candidate is secured 676 votes |

A certain sum of money is divided between Murthy and Prasad in the ratio 22/7 : 8/3. If Murthy gets Rs. 120/- more than Prasad, find the share of each? |

A) 700,600 B) 792,672 C) 892,770 D) 998,772 Correct Answer : 792,672 Explanation :The ratio is 22/7 : 8/3 = 22*3/7*8 = 33/28 As is given |

In a cricket test series, the runs made by Raju and Tendulkar are in the ratio 5:9 and Tendulkar and Azar are in the ratio 6:7. What are the runs made by them if Azar makes 187 runs more than Raju? |

A) 110,126,250 B) 120,216,307 C) 170,306,357 D) 168,206,352 Correct Answer : 170,306,357 Explanation :The ratio is So, rotio of their runs As is given Therefore |

Annual incomes of the families of Sita and Latha are in the ratio 4:3 and their annual expenditure are in the ratio 3:2. What is their annual income if they save Rs 3000/- in a year? |

A) 10000,7000 B) 11000,8000 C) 12000,9000 D) 13000,10000 Correct Answer : 12000,9000 Explanation :Let annual income of the families of Sita and Latha be 4x and 3x, As is given After resolving eq 1 and 2 x=3000 Hence, Annual income of the families of Sita=4x=12000 |

The cost of 10 books is Rs. 80/-. Find the value of 15 books? |

A) 90 B) 100
C) 110
D) 120
Correct Answer : 120 Explanation :Let the cost of a book is X Hence, value of 15 books= 15*X |

The cost of 48 bags of paddy is Rs. 16,800/-. What is the cost of 36 bags of paddy? |

A) 12400 B) 12600
C) 12800
D) 13000
Correct Answer : 120 Explanation :Let the cost of 36 bags is X, Hence, the cost of 36 bags is X =12600 |

Monthly expenditure of a family of 4 members is Rs 2800/-. What is the expenditure if there are 3 members in the family? |

A) 1900 B) 2000
C) 2100
D) 2200
Correct Answer : 2100 Explanation :Let the expenditure of 3 members in the family is X |

Find the mean proportional between 8 and 32 ? |

A) 12 B) 13 C) 14 D) 16 Correct Answer : 16 Explanation :Mean proportional between a and b is square root of ab. Mean Proportional= √(8*32) =16 |

The mess charge for 35 students for 24 days is Rs. 6300/-. In how many days will the mess charges be Rs. 3375/- for 25 students? |

A) 12 B) 14 C) 18 D) 22 Correct Answer : 18 Explanation :The rate for one student per day is the same, so 35 students*24 days / 25 students* X days = 6300 Rs/3375 Rs |

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 |

10 men can lay a road of 75 Km long in 5 days. In how many days can 15 men lay a road of 45 Km long? |

A) 4 B) 3 C) 2 D) 1 Correct Answer : 2 Explanation :10 men*5 days / 15 men*X days = 75 Km/45 Km Therefore, 15 men can lay a road of 45 Km long in 2 days |

24 men working at 8 hours a day can do a piece of work in 15 days. In how many days can 20 men working at 9 hours a day do the same work? |

A) 12 B) 14 C) 16 D) 18 Correct Answer : 16 Explanation :People* hours* days is always constant. So let the required day be X. |