7 ingots of iron weigh 112 tonnes, 4 ingots of cobalt weigh 104 tonnes and 3 ingots of aluminum weigh 105 tonnes. How heavy are 5 ingots of tin?
Which set of numbers would most logically fill in the blanks in the following series? 101, 99, 102, 98, 103, 97, _ , _ ,105, 95, 104, 94 (a) 101 98 (b) 104 96 (c) 106 99 (d) none of these
Please provide your reasoning also?
What number should replace the question mark?
143 - - - 22
26 - - - 4
104 - - - 16
65 - - - ?
