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Required ratio = (0.70 x 140) : (250 + 30) = 98:280 = 7:20
N is a three-digit number. N2= ………74, how many possible values for N?
find the value of this?
Let x = (726)245 – (437)458 + (333)335. What is the unit digit of x?
What is the fourth proportional of √20, √30, and √18?
If the largest three – digit number is subtracted from the smallest five – digit number, then the remainder is
How many Zeros can be formed by multiplying 10×20×30×40×…………….× 100
The sum of two numbers is 30 while the difference between these two numbers is 6. What is 50% of the product of the two numbers?
If the numerator of a fraction is increased by 60% and the denominator is decreased by 20%, then the value of the fraction becomes 21/16. Then tell the ...