The number of values satisfying (x+100/x)>50,where is a natural number less than or equal to 100 is

What is the sum of digits of the least multiple of 13,which when divided by 6,8 and 12 leaves remainder 5.7 and 11 respectively as remainders?

A milkman claims to sell milk at cost price only.Still he is making a profit of 20% since he has mixed some amount of water in the milk.What is the percentage of milk in the mixture?

What is √4+(√4-(√4+....)

The largest natural number which divides every natural number of the form (n³-n)(n-2),where n is a natural number greater than 2 is

The average of m numbers is n^4 and average of n numbers is m^4.The average of (m+n) numbers² is

The digit in the units place of the resulting number of the expression (234)^100+(234)^101 is

If x=√3+√2,then the value of x³+x+(1/x)+(1/x³) is

The value of (1/1*4)+(1/4*7)+(1/7*10)+...+(1/16*19) is

Two trains are moving in the same direction at 1.5km/minute and 60km/hr respectively.A man in the faster train observes that it takes 27s to cross the slower train.The length of the slower train is

A tin of oil was 4/5th full.When 6 bottles of oil was taken out from this tin and 4 bottles of oil were poured into it,it was 3/4 full.Oil of how many bottles can the tin contain?

A number when divided by 7 leaves a remainder 3 and the resulting quotient when divided by 11 leaves a remainder 6.If the same number weh divided by 11 leaves a remainder m and the resulting quotient when divided by 7 leaves a remainder n.What are the values of m and n respectively?

Consider the following in respect of the equation y=√(x-1)²/(x-1)

1.y=1 if x>1

2.y=-1 if x<1

3.y exists for all values of x

Which of the above statements are correct

If (x+1) is the H.C.F of Ax²+Bx+C and Bx²+Ax+C where A≠B,then the value of C is

The seven digit number 876p37q is divisible by 225.The values of p and q can be respectively

If a,b and c satisfy the equation x³-3x²+2x+1=0,then what is the value of 1/a+1/b+1/c

A and B are two taps which fill a tank individually in 10 minutes and 20 minutes respectively.However,there is a leakage at the bottom,which can empty a filled tank in 40 minutes.If the tank is empty initially,how much time will both taps take to fill the tank with leakage?

Which one of the following is correct?

The value of a single discount on some amount which is equivalent to a series of discounts of 10%,20% and 40% on the same amount is equal to

If k=x-y+2z where -2<=x<=1,-1<=y<=2 and 3<=z<=6,then which one of the following is correct?

The number of pairs (x,y) where x,y are integers satisfying the equation 21x+48y=5 is

Let x and y be positive integers such that x is prime and y is composite.Which of the following statements are correct?

1.(y-x) can be an even integer

2.xy can be an even integer

3.0.5(x+y) can be an even integer

Select the correct answer using codes

Let x and y be positive integers such that x>y.The expressions 3x+2y and 2x+3y when divided by 5 leaves remainders 2 and 3 reapectively.What is the remainder when (x-y) is divided by 5?

In a race,A B and C take part.A beats B by 30m,B beats C by 20m and A beats C by 48m.Which of the following is correct?

1.The length of the race is 300m.

2.The speeds of A,B and C are in the ratio 50:45:42

If the roots of the quadratic equation x²-4x-log N=0 are all real,then the minimum value of N is