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:- The difference between the local value and face value of 7 in the numeral 657903 is
A. 901
B. 903
C. 6993
D. 7896
Ques:- India?s largest electronics and home appliances company is :
A. Philips
B. Videocon
C. BPL
D. None of these