1.

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

**Answer: Option 'C'**

**Answer: Option 'C'
L.C.M. of 6, 9, 15 and 18 is 90.
Let required number be 90k + 4, which is multiple of 7.
Least value of k for which (90k + 4) is divisible by 7 is k = 4.
Required number = (90 × 4) + 4 = 364.**

2.

The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:

**Answer: Option 'C'**

**Other number = (11 x 7700/275) = 308.**

3.

Four prime numbers are arranged in ascending order according to their magnitude. Product of first Three is 20,677 and the product of last three 33,263

**Answer: Option 'D'**

**37**

4.

The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is:

**Answer: Option 'C'**

**Let the numbers be 2x and 3x.
Then, their L.C.M. = 6x. So, 6x = 48 or x = 8.
The numbers are 16 and 24.
Hence, required sum = (16 + 24) = **

5.

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point?

**Answer: Option 'B'**

**L.C.M. of 252, 308 and 198 = 2772.
So, A, B and C will again meet at the starting point in 2772 sec. i.e., 46 min. 12 sec.**

- Averages (200 Questions with Explanation): Quantitative Aptitude Test
- Boats and Streams :(31) MCQs with Answers
- Calender and Dates : MCQs with Answers Download PDF
- Co Ordinate Geometry - Problems and Solutions
- Clocks and Time
- Compound Interest : Aptitude Test (65 Questions with Explanation)
- L.C.M and H.C.F : Aptitude Test
- Problems on Areas : Aptitude Test
- Problems on Volumes
- Number System : Aptitude Test (200 Questions with Explanation)
- Partnership : Aptitude Test
- Percentage : Aptitude Test
- Permutations Combinations
- Profit and Loss
- Probability -Aptitude
- Ratios and Proportions (114 Questions with Explanation)
- Simplifications
- Simple Interest
- Time and Work :(96) MCQs with Answers
- Time and Distance :(25) MCQs with Answers
- Problems on Trains
- Trignometry Formulae : Quantitative Aptitude Test
- Latest model Quant Questions for SBI PO - Practice Test 1
- Latest model Quant Questions for SBI PO - Free online Practice Test 2
- Aptitude Test - Practice Test - 1 - For All Competitive Exams
- Twisted and Difficulty Level Quantitative Aptitude Questions for NICL AO Mains 2017
- Mensuration : Area - Volume - Quantitative Aptitude
- Metric Distance Conversion with Whole Number Values Online Quiz
- Metric Conversion with Decimal Values: Two-Step Problem Online Quiz

- RRB NTPC and RRB Group D Free Model Papers in Tamil Telugu Hindi and English
- Current Affairs in Telugu - RRB NTPC and RRB Group D Model Papers in Telugu
- Arithmetic and Maths in Telugu MCQs - RRB NTPC and RRB Group D Model Papers in Telugu
- Biology MCQs - RRB NTPC and RRB Group D Model Papers in Telugu
- Reasoning Practice Tests in Telugu - RRB NTPC and RRB Group D Model Papers in Telugu
- Science and Technology MCQs - RRB NTPC and RRB Group D Model Papers in Telugu
- Chemistry MCQs in Telugu - RRB NTPC and RRB Group D Model Papers in Telugu
- Physics MCQs in Telugu - RRB NTPC and RRB Group D Model Papers in Telugu
- Indian Polity - Constitution & Administration in Telugu - RRB NTPC and RRB Group D Model Papers in Telugu
- Indian Geography in Telugu MCQs - RRB NTPC and RRB Group D Model Papers in Telugu
- Andhra Pradesh - Geography in Telugu - RRB NTPC and RRB Group D Model Papers in Telugu
- General Knowledge MCQs - RRB NTPC and RRB Group D Model Papers in Telugu
- General Studies in Telugu - APPSC TSPSC UPSC - MCQs
- Andhra Pradesh Economics Question and Answers - MCQs