Question
Heat exchanger used for pasteurization of milk is/are
Solution
Plate Heat Exchangers  are incredibly efficient for energy usage in milk pasteurisation. During pasteurisation milk is heated to a high temperature and then quickly cooled before bottling or packaging to keep it fresh for longer.
What will come in the place of questions (?) mark in the following questions.
1279, 1265, ? , 1225, 1193, 1149
5, 23, 18, 36, 31, ?
418, 406, 430, 382, 478, ?, 670
What will come in place of (?) question mark in the given number series.
13, 15, 18, 23, 30, ?
80, ?, 240, 80, 20, 4Â
17 21 51 169 701 ?
Find the missing number in the given number series.
2, 5, 11, 23, 47, ?654, 647, 633, 612, 584, ?
115% of 800 - 4/5 of 320 + 82% of 700 = ? – 102% of 500
580 557 528 497 ? 419