Question
What is the missing number in the series:
2,7,28,63,126,____Solution
The pattern is ( n^3 + n ) (e.g., ( 1^3+1=2 ), ( 2^3-1=7 ), ( 3^3+1=28 ), etc.), so ( 6^3-1=215 ).Â
If each of the odd digits in the number ' 78343724' is decreased by 1 and each of the even digits is increased by 1, which of the following will be the ...
If 2 is subtracted from the second digits of each of the numbers, how many numbers thus formed will be divisible by three?
Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.
11 * 7 = 72, 14 * 7 ...
48 6 3
x 12 11
If ‘ x' is the resultant of the first row, what is the resultant of the second row?
...64 8 5
420 14 10
What the difference between the resultant of the first row and the second row?
...Select the option in which the numbers are related in the same way as are the numbers in the given set.
(109, 114, 139)
196 49 21
18 x 9
If ‘ x' is resultant of the first row, what is the resultant of the second row?
...Which two numbers should be interchanged to make the given equation correct?
9 + 7 × 5 − 18 ÷ 2 = 3 × 4 − 10 + 45 ...
If digits of each number are added and sum is multiplied by 4, and the resultants are arranged in descending order, which number will be at last position?
How many numbers are there between 99 and 1000 such that the digit 8 occupies the units place?
