Question
The average of 5 numbers is 28. When one number is
removed, the average of the remaining 4 numbers becomes 26. Find the number that was removed.Solution
Sum of 5 numbers = 5 × 28 = 140 Let the removed number be x. Sum of remaining 4 numbers = 4 × 26 = 104 So 140 − x = 104 x = 140 − 104 = 36 Answer: The removed number is 36.
Statements:
Some digit are vowel.
No vowel is letter.
All letter are word.
Conclusions:
I. Some vowel are word.
<...Read the given statements and conclusion carefully. Assuming the information given in the statement is true, even if it appears to be at variance with...
Conclusions:
I. Some Years are being Months is a possibility
II. Some Weeks are being Years is a possibility
Statements:
Statements:
Some TVs are laptops.
Some laptops are computers.
All computers are mobiles.
All mobiles are radios.
...
Statements: All TVs are laptops.
Some laptops are computers.
All computers are keyboards.
Conclusions: I. Some TVs may be compute...
In this question, after two statements I and II two conclusions have been given. Assuming the given in the statement together as truth, consider both th...
Statement:
At-least some J are K.
Only L are K.
Only M are J.
Few M are N.
Conclusion :
1. Some M are L.
Three statements are followed by four conclusions numbered I, II, III and IV. You have to consider these statements to be true, even if they seem at va...
Statements: Some oils are petrol.
                          All diesels are oils.
Conclusions: I. All die...
Statements: Some cubs are puppies.
No puppy is a calf.
All kittens are puppies.
Conclusions: I. At least some cubs are calves.