Other Math Answers

I am the difference of 915/998 and 15/998

I am a fraction with numerator 4.The fraction is equivalent to12/18

If ‘+’ means ‘x’, ‘-‘ means ‘÷’ , ‘x’ means ‘-‘ and ‘÷’ means ‘+’ then what will be the value of
14 ÷ 42 – 6 x 3 + 2

I am a fraction equivalent to 4/5 with the denominator as 80

A wooden block cross section diameter 20cm,and 4m long floats in water what part of volume is above water.If density of wooden block is 700kg/m*m*m and of water is 1000kg/m*m*m

One number is four times another.The sum of both numbers and 12 is 37.Find the number

find the profit % and loss % made in each of the following cases;
1) the S.P of 15 articles =S.P of 20 articles
2) S.P of 20 articles= C.P of 15 articles
3)BY selling 20 articles a shopkeeper gains =c.p of 5 articles

a shopkeeper sells sugar in such a way that selling price of 950g is equal to c.p of 1kg .
find his gain %

"a man buys two cycles for a total cost of RS 900. by selling one cycle at a loss of 20% and other at a profit of 25%, he makes a profit of rs 90 on the whole .find the c.p of each cycle"

Let L be a language given by L = {a^n b^n : n ≥ 0 } , then
L2 is equal to
a) { a^n b^n a^m b^m :n ≥ 0,m ≥ 0 }
b) { a^n b^n :n ≥ 0 }
c) { a^n b^n a^n b^n :n ≥ 0 }
d) none of these.