Question
Which of the following is an odd composite
number?Solution
Composite numbers are whole numbers that have two factors and are not prime numbers, as they can be divided by more than two numbers. 13 and 17 are prime numbers. 12 is an even composite numbers. 15 is an odd even composite number as it is a multiple of 3 and 5.
A’s age is 120% of what he was 5 years ago, But 40% of what it will be after 5 years. What is his present age?
- The ratio of present ages of Mohit to that of Raman is 7:11 while the ratio of present ages of Rahul to that of Raman is 3:11. If the age of Rahul, 7 years...
Amit age after 16 years will be 2 times his age 2 years back. What is the present age of Amit?
If the total ages of A and B is 6 years more than the total age of B and C. C is how many years younger than A?
The average age of A, B and C is 40 years, while the average age of B, A and D is 30 years. If the ratio of the age of C and D is 5:3, respectively, the...
The sum of ages of organization members (including clerk and managers) is 380 years. The total ages of clerks and managers are in the ratio 1:3 and the ...
The present ages of A and B are 'x' years and 'y' years respectively. Four years ago, the sum of their ages was 34 years. If the average of 'x' and 31 i...
Eight years ago, the ratio of the ages of Ram and Shyam was 5:6, respectively. Seven years hence, the ratio of the ages of Prem and Shyam will be 3:4, r...
- The current age ratio of Kiran to Prakash is 8:3. In ten years, Kiran’s age will be three times Prakash’s age at that time. What is Kiran’s present a...
Present age of Anil is 20% less than that of Bijender and 5 years hence from now, the ratio of Bijender and Shinu’s age will be 2 : 3 respectively. If...
Relevant for Exams:
