Which of the following is a golden ratio?

The compound ratio of a : b and c : d is

The compound ratio of 5 : 7 and inverse 2 : 9 is

30% of 40 =

Increase in percent of 2 times of a number is

The cost of one pair of shoes is Rs 550, if 10% discount is allowed on, then the SP. of shoes is

The marked price of a cycle is Rs 3600 and it S.P. is Rs 3312 then discount% is

The cost of one pair of clothes is Rs 450. If 6% of sales tax is allowed on it then the bil has to pay

Selling Price =

The M.P. of an item is Rs 1600 and allowed a discount of 6% to the purchaser then SP is ……