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Ques:- In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10%?
A. 3 : 1
B. 3 : 2
C. 3 : 4
D. 4 : 5
Ques:- A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is
A. 1220
B. 1250
C. 22030
D. 220030