exam
Maths Puzzle
Numerical Ability
the sun of two numbers is 20 their difference is 4
b. Solve by elimination to find the two numbers
Read Solution (Total 0)
exam Other Question
3 students, with different names,lineup single file. What is the probability that they are in alphabetical order from front-to-back?
Solve:
a) logbase3 27+ logbase3 9-logbase3 81= logbase3 x ( I think the answer is 3)
b) logbase2 8 - logbase2 4=x ( I think the answer is 1)
c) logbase5 6- logbase5 x=logbase5 2 ( I think the answer is 3)