Question
Find the wrong number in the given number series.
253, 542, 216, 579, 179, 620Solution
ATQ, 253 + (17)2 = 542 542 - (18)2 = 218 218 + (19)2 = 579 579 - (20)2 = 179 179 + (21Â 2 = 620 Therefore, 218 should come in place of 216
Select the option in which the numbers are related in the same way as are the numbers of the following set.
(15, 315, 7)
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How many 6s are there in the following number series which are preceded by 4 and followed by 8.
2 4 6 8 4 2 8 6 4 8 7 3 8 6 4 2 4 6 8 7 4 6 9 4
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
If 2 is added to all the odd place digits and 1 is subtracted from all even place digits (from the left end) in ‘634715247’ and then all the digits ...
If first and last digit of each number is multiplied and then the product is added to the sum of the middle two digits of the number, which resultant nu...
Select the correct combination of mathematical signs that can sequentially replace '*' sign and balance the equation given below.
196 * 7 * 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?
If the positions of the second and the third digit of each of the numbers are interchanged, how many odd numbers will be formed?
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