self Maths Puzzle


How many kgs of Basmati rice costing Rs.42/kg should a shopkeeper mix with 25 kgs of ordinary rice costing Rs.24 per kg so that he makes a profit of 25% on selling the mixture at Rs.40/kg

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self Other Question


In what ratio must a person mix three kinds of wheat costing him Rs 1.20,Rs 1.44 and Rs 1.74 per Kg so that the mixture may be worth Rs 1.41 per Kg?

A.

11:77:7

B.

25:45:8

C.

27:23:6

D.

11:45:7
The sequences x1,x2 ... and y1,y2 … are in arithmetic progressions such that x1+y1=100 and x22−x21=y99−y100. Find the sum of the first 100 terms of the progression,(x1+y1),(x2+y2) ?