Ques:- Gold is 19 times as heavy as water and copper is 9 times. In what ratio should these metals be mixed so that the mixture may be 15 times as heavy as water?
A. 2 : 1
B. 3 : 2
C. 4 : 3
D. 5 : 4
Ques:- Subhash starts a business by investing Rs.25000. 6 months later Aditya joins him by investing Rs.15000. After another 6 months Aditya invests an additional amount of Rs.15000. At the end of 3 yeas they earn a profit of Rs.247000. What is Aditya’s share in the profit?
A. Rs. 105000
B. Rs. 111500
C. Rs. 130000
D. Rs. 170000
Ques:- The largest natural number which exactly divides the product of any four consecutive natural numbers is
A. 6
B. 12
C. 24
D. 120
Ques:- A and B entered into a speculation. A put in Rs.500 and B put in Rs.450. At the end of 4 months A withdrew half of his capital and at the end of 6 months B withdrew half of his capital, then C entered with a capital of Rs.700. At the end of 12 months, in what ratio would the profit be divided?
A. 80 : 81 : 84
B. 80 : 81 : 85
C. 81 : 81 : 84
D. 81 : 81 : 85