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The product of three consecutive integers is 210, then their sum is

There are four prime numbers written in ascending order. The product of first three is 385 and that of last three is 1001. The last number is

If Root(2) = 1.4142, then [Root(2) − 1 / Root(2) + 1] is equal to

a,b,c and d are natural numbers less than 1000 such that log (base a) b=7/5 and log (base c) d=4/3.Given that d-b=497,what is a+c?

how many values of 'p' satisfy the equation: (log base5 p)^2 +log base5p (5/p)=1 ?

how many values of 'p' satisfy the equation:

how many values of 'p' satisfy the equation:

Find the number of ways in which 5 boys and 5 girls be seated in a row so that no 2 girls may sit together

CAPITAL OF THE STATE TAMILNADU

two pipes a and b can fill up a half full tank in 1.2hrs.the tank was initially empty.pipe b was kept open for half the time required by pipe a to fill the tank by itself.then, pipe A was kept open for as much time as was required by pipe B to fill up 1/3 of the tank by itself.it was then found that the tank was 5/6 full.the least time in which any of the pipes can fill the tank fully is?