SSC CGL · Quantitative Aptitude
Number System, Averages and Ratio
12 practice questions, each with the answer and an explanation.
Practise Number System, Averages and Ratio now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 12 questions
- What is the remainder when 219 is divided by 9?
- If 6x + 18 = 48, what is the value of x?
- What is the value of 11²?
- The average of 10 numbers is 55. If one number 17 is replaced by 137, what is the new average?
- The average of 8 numbers is 23. If one number 16 is replaced by 88, what is the new average?
- What approximate value should replace the question mark? 43 x 17 / 5 = ?
- If 4x + 6 = 54, what is the value of x?
- What approximate value should replace the question mark? 16 x 26 / 12 = ?
- The ages of A and B are in the ratio 2 : 3. After 10 years, the sum of their ages will be 45. What is B's present age?
- The average of 10 numbers is 34. If one number 22 is replaced by 162, what is the new average?
- What approximate value should replace the question mark? 12 x 14 / 5 = ?
- In what ratio must a solution at Rs 12 per kg be mixed with another at Rs 20 per kg to get a mixture worth Rs 15 per kg?
Keep practising
More SSC CGL topics
- Vocabulary30 questions
- Arithmetic: Profit, Interest and Percentages24 questions
- Profit and loss19 questions
- Simple and compound interest18 questions
- Averages and ratios18 questions
- Geometry, Mensuration and Data17 questions
- Time, speed and distance16 questions
- Vocabulary and grammar16 questions