P is an alloy of steel and aluminium and Q is an alloy of aluminium and copper. P has 30% aluminium while Q has 50% aluminium. ‘t’ gms of P is mixed with 30 gms of B to form another alloy which has 45% aluminium. What is the value of ‘t’ ?

P is an alloy of steel and aluminium and Q is an alloy of aluminium an

1.	P is an alloy of steel and aluminium and Q is an alloy of aluminium and copper. P has 30% aluminium while Q has 50% aluminium. ‘t’ gms of P is mixed with 30 gms of B to form another alloy which has 45% aluminium. What is the value of ‘t’ ?
A.	15
B.	11
C.	10
D.	13
E.	None of these
Answer» D. 13

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P is an alloy of steel and aluminium and Q is an alloy of aluminium and copper. P has 30% aluminium while Q has 50% aluminium. ‘t’ gms of P is mixed with 30 gms of B to form another alloy which has 45% aluminium. What is the value of ‘t’ ?

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