What will be the total number of pieces if the length of $$ {5}{1\over4}$$  the rib is cut to 3/4 m length?

A bag has Rs.420 in the denomination of Rs.1, Rs. 2 and Rs. 5 coins. The number Rs.1, Rs.2 and Rs.5 coins are in the ratio of 8: 1:5. How many coins of Rs.5 are in the bag?

For what value of m will the system of equations 18x-72y+13=0 and 7x-my-17=0 have no solution?

 If $$ x=\sqrt{(1.96)}-\sqrt{(0.04)}$$ then the value of x is

If $$ {1\over3} ({12x\over5}-{1\over2})+{6\over5}={7\over6}$$ then what is the value of x?

If a² + a + 1 = 0 then the value of a⁹ is. 

If the sum and difference of two number are 20 and 8 respectively, then the difference of their squares is: 

The product of two whole numbers is 37. The square root of the difference of the numbers is