Question
The average of 12 numbers is 20 and the average of another 10 numbers is 31. What is the average of all the 22 numbers?
More Previous year papers Questions
- At what rate percent per annum simple interest, a sum of money triples itself in 16 years?
- A boy walking at the rate of 4 km per hour crosses a square field diagonally in 36 seconds. What is the area (in m²) of the field?
- sin (45° + θ) – cos (45° – θ) is equal to
- A bought an item for ₹384 and sold it for ₹576, and B bought another item for ₹1,254 and sold it for ₹1,672. What is the ratio of gain percentage of A to g...
- A man had to travel 49 km, which he divided into six stretches which were exact multiples of either 4 km or 5 km. The first four stretches were 4 km 5 km, ...
- Study the following bar graph and answer the questions given below Total number of boys and girls in schools A, B, C, D and E. The number of boys in scho...
- A shopkeeper has a sale of ₹5,445, ₹5,937, ₹5,865 and ₹6,562 for 4 consecutive days. If he gets an average sale of ₹6,050 for 5 days, then his sale on the ...
- Simplify: (2/9 + 3/5) ÷ (2/9 + 2/5)
- Among the ratios 3 : 4, 5 : 8, 1 : 2, 6 : 9 which is the greatest?
- Question 10
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
