Ques:- The greatest four digit number which is exactly divisible by each one of the numbers 12, 18, 21 and 28
Ques:- Five persons – P, Q, R, S and T are being compared in weight and height. The second heaviest person. S is the shortest. P is the 2ndÂ tallest and shorter than T, The heaviest person is the third tallest person. There is only one person shorter than Q, who is lighter than T and P respectively.Who is the heaviest person?
Ques:- The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1. What is the age of the new student?
A. 5 years
B. 6 years
C. 7 years
D. 9 years