Question
The average weight of 5 students in a class is 25.8kg.
When a new student joins them, the average weight increases by 3.9kg. Then what will be the approximate weight of the new student?Solution
ATQ, we can say that  Weight of new student =  6(25.8 + 3.9) - 5 x 25.8  6 x 29.7 - 129  178.2 - 129  Hence, the required weight for new student is 49.2kg or 49 kg ans.
- Study the given pattern carefully and select the number that can replace the question mark [?] in it.
First row: 10, 6, 964
Second row: 7, 3... Find the missing number.
20, 30, 42, 56, 72, ?
Study the given pattern carefully and select the number that can replace the question mark (?) in it. Â
First row: 4, 6, 18
Second row: 7...
Select the option that is related to the third term in the same way as the second term is related to the first term and sixth term is related to fifth ...
Select the number from among the given options that can replace the question mark (?) in the following table.
Find the missing letter.
In the following expression find the missing term:Â Â
Find the missing number from the given responses.
3 Â Â Â 5 Â Â Â 7
4 Â Â Â 6 Â Â Â 8
5 Â Â Â 7 Â Â Â 9
26...
Select the number from the given option that can replace the question mark (?) in the following series:
32, 16, 24, 60, ?, 945