The tens' digit of a two digit number is...

The tens' digit of a two digit number is less by 3 than the unit digit. If the product of the two digits are subracted from the number, the result is 15. Find the unit digit of the number.

Text Solution

Verified by Experts

`2 or 6`

Topper's Solved these Questions

RIGHT CIRCULAR CYLINDER
CALCUTTA BOOK HOUSE|Exercise Exercise - 2 (Long-answer type questions)|11 Videos
SIMILARITY
CALCUTTA BOOK HOUSE|Exercise Exercise 5.2|27 Videos

Similar Questions

Explore conceptually related problems

The tenth digit of two digit number is less by 3 than the unit digit. If the product of the two digits are subtracted from the number the result is 15. Find the unit digit of a number.

Ajay has written a two digit number in his copy of which the tens digit is less by 4 tha the unit digit. If the product of the two digit is subrated from the number , the result is equal to the square of the difference of two digits of that number. Write the number which Ajay can write in his copy.

The unit digit of a two digit number exceeds its tens' digit by 7 and the product of two digits is less by 10 from the number. Find the quadratic equation.

The unit digit of a two digit number exceeds the tens digit by 6 and the product of two digits is less by 12 then the number. Calculate the possible unit digit of two digit number.

The tens' digit of a two digits number is twice of its unit digit. If 40 is subtracted from the number then the two digits of the new number becomes equal. Find the number.

How many two digit numbers are divisible by 3 ?

The unit digit of a two digit number exceeds its tens' digit by 6 and the product of two digits is less by 12 from the number.Hence find the required quadratic equation.

If a two digit positive number is multiplied by its unit digit, then the product is 189 and if the tens digit is twice of the unit digit, then find the unit digit.

How many two-digit numbers are divisible by 3?

If a two digit positive number is multiplied by its unit digit, then the product is 189 and if the tens' digit is twice of the unit digit, then calcutate the unit digit.

CALCUTTA BOOK HOUSE-SAMPLE QUESTIONS PAPERS-QUESTION

Rate of increase in polpulation of a state is 2% in a year. The presen...
Text Solution
|
Solve : 1/(a+b+x)=1/a+1/b+1/x[ x ne 0, -(a+b)]
Text Solution
|
The tens' digit of a two digit number is less by 3 than the unit digit...
Text Solution
|
The price of a diamond is ₹ 2000. The diamond is broken into two pies...
Text Solution
|
If x=3+2sqrt2, then find the value of (sqrtx -""1/sqrtx)
Text Solution
|
If a+1/b = 1 and b+1/c=1 then prove that c+1/a =1
Text Solution
|
If a, b, c be in continued proportional, then prove that a^2 b^2 c^2 (...
Text Solution
|
Prove that angles in the same segment of a circle are equal.
Text Solution
|
Prove that if two tangents are drawn to a circle from a point outside ...
Text Solution
|
ABCD is a parallelogram. A circle passing through C and D intersects A...
Text Solution
|
Construct a circle of radius 2*6cm. Take a point outside of this circl...
Text Solution
|
The length of radius of a circle is 21 cm. Determine the cfircular and...
Text Solution
|
Find the value : (tan^2 60^@+tan30^@)/(1+tan^2 60^@+tan30^@)+cos 60^@ ...
Text Solution
|
If /A + /B = 90^@ then prove that 1+(tan A)/(tan B) = "cosec"^2 B
Text Solution
|
If the angle of elevation of the top of a chimney from a point on the ...
Text Solution
|
If the angle of depression of two consecutive kilometer stones on a ro...
Text Solution
|
How many solid sphere of radius 10*5 cm each can be mad by melting a s...
Text Solution
|
To prepare a tent of shaped a right circular cone, it needs 77 sq-metr...
Text Solution
|
The external diameter of a gold - sphere is 12 cm and it is made of a ...
Text Solution
|
If x1 and x2be any two positive variables and if the arithmetic mean ...
Text Solution
|