Ques:- The prime numbers dividing 143 and leaving a remainder of 3 in each case are
A. 2 and 11
B. 3 and 7
C. 5 and 7
D. 11 and 13
Ques:- The number of prime factors in the expression (6)10 x (7)17 x (11)27 is
A. 44
B. 54
C. 64
D. 71
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
Ques:- A, B and C entered into a partnership by investing Rs.15400, Rs.18200 and Rs.12600 respectively. B left after 6 months. If after 8 months, there was a profit of Rs.28,790 then what is the share of C in the profit?
A. Rs. 9432
B. Rs. 8568
C. Rs. 8712
D. Rs. 8352