If 8% of x is the t same as 4 % of y, then 20% of x is the same as:

If C.P of 20 tables is equal to the S.P of 25 tables. Find the loss percentage.

The average age of class of 21 students is 34 years. If the age of the teacher be included the average rises by 1 year. What is the age of the teacher?

Study the graph carefully and answer the following questions.

How many state showing above average production in 1992-93 showed below average production in 1993-94 ?

Rahul purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?

What is the greatest number which will divide 110 and 128 leaving a remainder 2 in each case?

The radius of a circular field is equal to the side of a square field whose perimeter is 784 feet. What is the area o the circular field?

If   $$ {{x+1}\over4x}={5\over 2}$$ then what is the value of   $$ 64x^6+1\over 8x^3  $$