Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2750, find y.

Similar Questions

Simplify $\frac{(√12-√3)}{(√12+√3)}$ ...

In $\bigtriangleup$PQR, PQ = 10cm, QR = 8cm and RP = 6cm, the perpendicular RS is drawn from R to ...

Simplify: log6 + log2 - log12 ...

If 2$^{a}$ = $\sqrt{64}$ and $\frac{b}{a}$ = 3, evaluate a$^2 + b^{2}$ ...

Find the equation whose roots are -2/3 and -1/4 ...

If R = [2, 4, 6, 7] and S = [1, 2, 4, 8], then R∪S equal ...

Find P, if 4516 - P7 = 3056 ...

In what modulus is it true that 9 + 8 = 5?...

If log 2 = 0.3010 and log 2$^y$ = 1.8062, find; correct to the nearest whole number, the value of ...

Add 54 $_{eight}$ and 67$_{eight}$ giving your answers in base eight...