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A certain type of mixture is prepared by mixing brand A at Rs.9 a kg. with brand B at Rs.4 a kg. If the mixture is worth Rs.7 a kg., how many kgs. of brand A are needed to make 40kgs. of the mixture?
Five people A ,B ,C ,D ,E are related to each other. Four of them make one true statement each as follows. (i) B is my father's brother. (ii) E is my mother-in-law. (iii)C is my son-in-law's brother (iv)A is my brother's wife.
At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party? 10 11 12 13
A finishes the work in 10 days & B in 8 days individually. If A works for only 6 days then how many days should B work to complete A's work?
Given a rectangular (cuboidal for the puritans) cake with a rectangular piece removed (any size or orientation), how would you cut the remainder of the cake into two equal halves with one straight cut of a knife?
Sum of 1 to 40 is?
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4 lemons = 1rupees,1 mango = 1 rs,1 jackfruit =15rs, Calculate in such a way that there should be total of 100 rs and total of 100 fruits
1 horse power equall to how much rpm
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Eulers formula ?
complete the series: x y z u v w r s t __