What will come in place of the question mark(?) in the following question ?

56% of 870 + 82% of 180 = 32% of 90 + ?

Tanya got an increment of 15% in her salary. If her enhanced salary is Rs.14,030. What was her original salary?

A box of 20 items was bought for Rs. 6,400 after a discount of 20%. Find the cost of each item.

What is the value of 88% of 1125 + 20% of 425?

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?

After buying a toy for Rs.45, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

The arithmetic mean of the marks scored by students of a class is 58. 20% of them secured a mean score of 60. The mean score of another 30% of the students was 40. The mean score of the remaining students is

The marked price of a book is Rs 4200. The shopkeeper gives two successive discounts of 25% and y% to the customer. If the customer pays Rs 2898 for the book, then what is the value (in percentage) of y?

Weight of Ayush and Abhishek are in the ratio of 6:11. Abhishek's weight increases by 25% and total weight of Ayush and Abhishek both increases by 40%. If total weight becomes 119 kg, then wat is the weight (in kg) of Ayush after the increment?