Ques:- Pushpa is twice as old as Rita was 2 years ago. If the difference of their ages be 2 years, how old is Pushpa today?
A. 6 years
B. 7 years
C. 8 years
D. 10 years
Ques:- In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 per kg?
A. 3 : 7
B. 5 : 7
C. 7 : 3
D. 7 : 5