If L : M = 3 : 5 and M : N = 2 : 3, then N : L = ?
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If P means '÷', Q means '+', R means '-' and S means 'x', then the value of
10 R 192 P 48 S 48 P 96 Q 1
You have 20 big and 16 small diaries and want to make gift packs containing both in each pack. What is the maximum number of gift packs you can make without any left over?
If 4x + 5y = 14 and x - 5y = 16 then the value of x and y are
9 women can complete a work in 50 days. If more 6 women were added to them, how many days before the work can be completed?
In a certain code, if LEMON is coded as PWOMA then SHIRT is coded as
Car B is twice as fast as car A. If car A covers 90 km in 2 hours, what is the speed of car B?
If 3:27 :: 5:?