((3" is surational mumber ")/(" bove that "2))

The square of a natural mumber (other than 1) is either a multiple of 3 or exceeds a multiple of 3 by _____

Two numbers are in ratio 3 : 4. When 3 is subtracted from both the mumbers, the ratio becomes 2 : 3. Find the sum of the numbers. A. 16 B. 20 C. 21 D. 22

The oxidation mumbers of chlorine atoms in bleaching powder is _____

In quick succession, a large number of balls are throun up vertically in such a way that the next ball is thrown up when the previous ball is at the maximum height. If the maximum height is 5 m , then find the mumber of the thrown up per second (g=10 m s^(-2)).

The sum of the squares of four consecutive natural numbers is 294. What is the sum of the mumbers ?

Four number-sets have been given below. out of which three are alike in some manner and one is different. Select the mumber-set that is different from the rest.