In how many different ways can the letters of the word 'LEASE' be arranged ?
A). 40
B). 60
C). 80
D). None of the above
60
The world LEASE consists of 5 letters in which E comes twice
∴ 51/21 = 5x4x3x2x1/2x1 = 60
1. The remainder when 321 is divided by 5 is
2. Find the difference between the place value and face value of the digit 9 in the number 229301?
4. If P = 7 + 4√3 and PQ = 1, then what is the value of (1/P2) + (1/Q2)?
6. Determine the largest 4-digit number which is a perfect square.
7. If (b + c), (c + a), (a + b) are in A.P. then
8. If 70% of an equal to 40% of b, then ratio between a and b is?