Ques:- If the HCF of two numbers is 2 and their LCM is 70, then the numbers are
A. 2, 35
B. 4, 70
C. 6, 70
D. 14, 10
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. 16.5/kg?
A. 3 : 7
B. 5 : 7
C. 7 : 3
D. 7 : 5
Ques:- The positions of the first and the fifth digit in the number 93264187 are interchanged. Similarly, the positions of the second and the sixth digits are inter changed and so on. Which of the following will be the third digit from the right end after the rearrangement?
A. 8
B. 3
C. 2
D. 6
E. None of these