What will come in place of the question mark (?) in the following questions?(You are not expected to calculate exact values)

What will come in place of the question mark (?) in the following questions?(You are not expected to calculate exact values)

What will come in place of the question mark (?) in the following questions?(You are not expected to calculate exact values)

59.98% of 6060.06 + 11/13 (153.09+12.02 x 166)=11 x ?

What will come in place of the question mark (?) in the following questions?(You are not expected to calculate exact values)

418.02 × 404.02 + (199.98)² = ?² + (399.99)²

What will come in place of the question mark (?) in the following questions?(You are not expected to calculate exact values)

A manufacturer sold 2 dozen window panes to a wholesaler at a 25% profit. The wholesaler spends Rs 50 per window pane for transport. When the wholesaler opened the pack, he found that 4 of the window panes were broken. Now, he sold them to the retailer at profit of 20% on his total cost. If the retailer sold each window pane to the customer at Rs 990 and gained 10% profit, find the manufacturer’s cost price of each window pane?

A milkman had 60 litres pure milk. He sold 6 litres pure milk to Anand and mixed 6 litres water. He then sold 6 litres of the mixture to Bhima and mixed 6 litres water. Again he sold 6 litres mixture to Sima and added more 6 litres water. Now he sold 6 litre of the mixture to Rita and again mixed the same amount of water. Find the difference between quantity of pure milk received by Sima and that of Rita.

In an office there are n employees and their average age is 36 years. After two years, 5 employees whose average age is 40 years, leave the office and next after three years 5 employees whose average age is 30 years, joined the office. Now the average age of the employees of the office becomes 39.7 years. Find the number of employees in the office initially.

A and B together can do a piece of a work in 30 days, B and C together can do the same work in 20 days and C and A together can do the same work in 45 days. If all three start together and after 4 days A is not feeling well so he leave the job and B and C continue the work for next 4 days. After 8 days what part of the work remains?

A, B, C, and D each have 30 pens to sell. The ratio of number of pens sold by A and B was 2:3, B and C was 3:4 and C: D was 4:5. If the total number of pens sold by them was 70 pens, then find the ratio of number of pens not sold by them respectively.