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# CBSE Class 10 Answered

<div>Q1) Find the values of p and q for which the system of equations have infinite number of solutions.</div> <div>2x+3y=7, (p+q+1)x+(p+2q+2)y=4(p+q)+1.</div> <div>Q2) Solve the following pair of equations by cross-multiplication method</div> <div>a&sup2;x+b&sup2;y=c&sup2; and b&sup2;x+a&sup2;y=d&sup2;</div> <div>Q3) 8 men and 12 boys can finish a piece of work in 10 days while 6 men and 8 boys can finish it in 14 days. Find the time taken to finish the work by one man alone.</div>
Asked by mkmishra101 | 18 Jun, 2016, 05:26: PM
Answered by Rebecca Fernandes | 18 Jun, 2016, 07:29: PM

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