Q10 of 71 Page 68

If in a two digit number, the digit at unit place is x and the digit at tens place is 5, then the number is

A two digit number is of the form 10y + x where x is the digit at unit place and y is the digit at tens place.


According to the question,


y = 5


Then number will be 10 × 5 + x = 50 + x

More from this chapter

All 71 →
10

If the pair of linear equations ax + 2y = 7 and 2x + 3y = 8 has a unique solution, then a ≠ ………….

 10

The pair of linear equations 2x + y — 3 = 0 and 6x + 3y = 9 has

 10

In a two digit number, the digit at tens place is 7 and the sum of the digits is 8 times the digit at unit place. Then the number is

 10

The sum of two numbers is 10 and the difference of them is 2. Then the greater number of these two is