Question
If total number of factors of 2,430 is 'x', then find
the value of (x - 6)(x + 1).Solution
Factors of 2,430 = 2 × 3⁵ × 5
So, total number of factors = (1 + 1)(5 + 1)(1 + 1) = 2 × 6 × 2 = 24
Required value = (x - 6)(x + 1) = (24 - 6)(24 + 1) = 18 × 25 = 450
What number should replace the question mark?
Find the missing number.
...Find the missing number.
Select the number from the given option that can replace the question mark (?) in the following series:
32, 16, 24, 60, ?, 945
Find the missing term?
Find the missing letter.
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
First row: 84, 42, 49
Second row: ...
Find the missing term:
- Study the given pattern carefully and select the number that can replace the question mark [?] in it.
First row: 11, 7, 1274
Second row: 9, ... A series is given with two terms missing. Choose the correct alternatives from the given ones that will come in the place of blanks respectively and com...