Ques:- One quality of wheat at Rs. 9.30 per kg is mixed with another quality at a certain rate in the ratio 8 : 7. If the mixture so formed be worth Rs. 10 per kg. What is the rate per kg of the second quality of wheat?
A. Rs. 10.30
B. Rs. 10.60
C. Rs. 10.80
D. Rs. 11
Ques:- If the largest three digit number is subtracted from the smallest five digit number, then the remainder is
A. 9000
B. 9001
C. 90001
D. 90007
Ques:- In which ratio must water be mixed with milk costing Rs. 12 per litre to obtain a mixture worth of Rs. 8 per litre?
A. 1 : 2
B. 2 : 1
C. 2 : 3
D. 3 : 2
Ques:- Find out the wrong number in each sequence:
1, 8, 27, 64, 124, 216, 343
1, 8, 27, 64, 124, 216, 343
A. 8
B. 27
C. 64
D. 124