Find out the approximate values comes in the place of (?) in the following questions.

45.8% of 9502.20 - 1968.22 + 1682.43 =?

 Find out the approximate values comes in the place of (?) in the following questions.

10.8² + 11.02³ + 548.9 x 3.9 - ? = 1212

 Find out the approximate values comes in the place of (?) in the following questions.

4564.12 ÷ 12 + 1453.22 - 782 = ? + 589.10

 Find out the approximate values comes in the place of (?) in the following questions.

√728.82 +√ 3025.33 ÷ 5.22 + ? ÷ 8 = 975.550

 Find out the approximate values comes in the place of (?) in the following questions.

(267.43 + 87.39 + 795.55) ÷ 3 + 579.234 = ?

A bought 125 pens out of which he bought 80 pens at the cost of Rs. 12 per pen and 45 pens at the rate of Rs 6 per pen. He sold 75 pens at the selling price of Rs. 15 per pen and the remaining pens he sold at the rate of Rs. 8 per pen. What will be his overall approximate profit or loss percentage?

A started the business with an amount of Rs 12000 and stay in the business for 5 months. B invested 15000 and be in the business for 8 months. After 4 months from the start, C started the business with an amount of 200 more than A. If the annual profit is Rs. 138800, then what is the share of profit will B get?

A boat goes to a certain distance and returns to the starting point in 3 hrs. The speed of the boat in downstream is 40 km/hr and upstream speed is 20 km/hr. Find the time taken by boat to cover the distance in still water.

There are 8 red balls, 6 blue balls and 4 white balls in a bag. If three balls are drawn from the bag, find the probability that it should be 1 white ball and 2 red balls or 1 white ball and 2 blue balls.

An amount of Rs. 3600 is deposited in the bank at the simple interest rate of 16% for 2 yrs. The amount earned from the simple interest is deposited in the bank at the same rate for the same time, then what will be the compound interest earned after two years up to 2 decimal?