Which of the following is not a Triangular number?

More Questions from Numbers

• Product of digits of a 2-digit number is 18. If we add 63 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
• Which of the following numbers is completely divisible by 99?
• The sum of a non-zero number and its reciprocal is 2. What is the number?
• Direction: What should come in the place of question mark (?) in the following number series? 2, 3, 6, 15, 45, ?
• Direction: What should come in the place of question mark (?) in the following number series? 3, 4, 10, 33, 136, ?
• Direction: What should come in the place of question mark (?) in the following number series? 7, 10, 16, 28, ?, 100
• Direction: What should come in the place of question mark (?) in the following number series? 24, 25, ?, 41, -8, 73
• There is a three digit number. The digit at the tenth place is 3. If the place of all the digits are replaced with each other symmetrically about the tens position,then the new number obtained is 396 more than the original three digit number. The sum of the digits at unit & hundredth place is 14. Find out the original number?
• There are four consecutive even integers. Sum of the reciprocals of the first two number is (11/60). Find the reciprocal of third largest number of the series.
• What will come in place of the question mark (?) in the following number series? 3240, 540, 108, 27, ?, 4.5

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