std 7 science ch 12 swadhyay pothi ,dhoran 7 vigyan 12 swadhyay pothi , swadhyay pothi vigyan std 7

7 : 48 : : 12 : ?

What fraction of a day are 7 minutes 12 seconds ?

Find the HM of (1)/(7) and (1)/(12) .

Verify whether 6, 7, 12 and 14 are in proportion or not.

Convert 6//5 and 12//7 as mixed fractions ?

7/12 + 11/12 = 3/2

A boy was asked to find the value of (7)/(12) of a sum of money.Instead of multiplying the sum by (7)/(12) he divided it by (7)/(12) and thus his answer exceeded by 95. find the correct answer

What should be divided by (-7) to obtain 12?

For an A.P. 2, 7, 12, ……… 12th term will be :