std 7 science ch 11 swadhyay pothi ,dhoran 7 vigyan 11 swadhyay pothi , swadhyay pothi vigyan std 7

7:48 :: 11 : ?

The fourth proportional to 7,11,14 is

19. 7 : 50 :: 11 : ?

Find the remainder when 11^8 is divided by 7.

11,7,3,-1 is an A.P.whose first term is 11 and the common difference is equal to 7-11=4

3 : 11 : : 7 : ?

(-11)xx7 is not equal to

Write a pair of fractions whose sum is 7/11 and difference 2/11 .

If the points (5,-1,1),(-1,-3,4) and (1,-6,10) are three vertices of a rhombus taken in order then which one of the following ils the fourth vertex? (A) (7,-4,11) (B) (3,(-7)/2,11/2) (C) (7,-4,7) (D) (7,4,11)