If 1 + (1/2) + (1/3) + ... + (1/20) = k, then what is the value of (1/4) + (1/6) + (1/8) + ... + (1/40)?
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What least value must be assigned to '*' so that the numbers 451 * 603 is exactly divisible by 9?
If a certain sum of money become thrice of itself in 5 years 4 months at simple interest, then what will be the yearly rate of interest (in %)?
Two cars A and B travel from one city to another, at speeds of 72 km/hr and 90 km/hr respectively. If car B takes 1 hour lesser than car A for the journey, then what is the distance (in km) between the two cities?
A batsman makes 100 runs in the 25th match of his career. His average runs per match increases by 1.4. Find his average before the 25th match.
Choose the word which is least like the other words in the group.
∆XYZ is right angled at Y. If CosecX = 17/15, then what is the value of CotZ?
(P - 4)(P - 6)
Simplify the above?
Now applying distributive property, we get
P.P - 4.P - 6.P + 6.4
P^2 - 10P + 24
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