Mathematics Test 06

Total Questions: 5

1 - The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:

A ) 15 percent
B ) 5 percent ✅
C ) 10 percent
D ) 25 percent

Explanation: Increased in 10 years =262,500 − 175,000 =87,500 Increase% = 87,500 / 175,000×100 =50 One year percentage = 50 x 10/100 = 5%

2 - 20% of 250 is=?

A ) 50 ✅
B ) 30
C ) 45
D ) 35

Explanation: 20% of 250 = 20/100 x 250 = 50

3 - Profit calculation= Cost price = $100, Selling price = $130, profit = ?

A ) 45
B ) 60
C ) 30 ✅
D ) 20

Explanation: Given: Cost price = $100 Selling price = $130 Find: Profit =? Solution: profit = cost - selling profit = 100 - 130 = 30 $

4 - 22% of 1100?

A ) 220
B ) 242 ✅
C ) 255
D ) 265

Explanation: 22 percent *1100 = (22:100)*1100 = (22*1100):100 = 24200:100 = 242

5 - The average of the first 10 Natural Numbers is __________?

A ) 6.5
B ) 5.5 ✅
C ) 6.5
D ) 7.3

Explanation: Sum of 10 natural no. = 110 =110/2 = 55 Average = 55/10 = 5.5