1.If (p,q) is the solution of the simultaneous equations 1/x - 5/y=38 and 5/x + 2/y=1,then find the value of p+q.
2.In a bag,there are some notes in the denominations of Rs.20,Rs.5 & Rs.10.The total no. of notes is 20 and their total value is Rs.175.The no. of Rs.5 notes is equal the no. of notes of exactly one of the other denomination.Find this denomination.
3.The length and the breadth of a rectangle are integers (in cm).Its perimeter is 24 cm.Its area is at least 30 sq cm.How many different rectangles exist?
4.If 1/2-x + 1/10+x=1/8+x + 1/4-x,then find the value of x.
Asked by smanishkumar2002 | 1st Oct, 2015, 09:33: PM
Answered by Vimala Ramamurthy | 2nd Oct, 2015, 09:56: AM
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