The sum of the digits of a two-digit number is 9, and when the digits are reversed, the number decreases by 45. Find the changed number.
- A list contains nine consecutive even numbers. If the smallest number is 16% less than the largest one, what is the sum of the second smallest and the seco...
- 'N' is the largest three-digit number that leaves 4 as a remainder when divided by 8, 14 and 10. Find the sum of digits of 'N'.
What is the smallest number that should be added to 673 so that the sum becomes exactly divisible by 9?
The digits of a two-digit number ‘N’ are reversed to form a new number ‘M’. If M < N and N – M = 45, then which of the following maybe ‘N’...
Arun has 96 toy cars – some red and some black. If he buys 36 more red toy cars, the ratio of red to black cars becomes 7:5. Find the number of red to...
0! +1! +2! +3!........+98! What will be the remainder when divided by 5?
The average marks of all the students increased by 3 when it was found that marks of one of the students were wrongly taken as 50 instead of 80. Find th...
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