a

If the centre of a circle is (3, 5) and end points of a diameter are (4, 7) and (2, y), then the value of y is

Two coins are tossed simultaneously. The probability of getting at most one head is

The cumulative frequency table is useful in determining

HCF of two numbers is 27 and their LCM is 162. If one of the number is 54, then the other number is