1. There are 66 students in a class. If there are 10% more boys than girls, find number of boys.
(A) 30 (B) 33 (C) 40 (D) 35
2. By what percent average of first ‘k’ even numbers is more than that of first ‘k’ odd numbers?
(A) 1 (B) 50% (C) 100% (D) cannot be determined
3. If radius of a circle is increased by 20%, find the percentage increase in area of circle.
(A) 20% (B) 40% (C) 44% (D) 50%
4. In final exam of class, there are 120 students out of which 35 % students failed. How many students passed?
(A) 78 (B) 90 (C) 55 (D) 68