Directions (1-5): Given below is the bar graph which shows the number of Desktop and Laptops sold by four different shops A, B, C and D.
Q1. What is the average number of laptops sold by store B, C and D?
Q2. Desktops sold by store A is what percent more than Laptops sold by store C (approximately)?
Q3. Total Laptops sold by store B and C together are how much more or less than total Desktops sold by store C and D together?
Q4. What is the ratio of desktops sold by store A and C together to total Laptops sold by stores B and D together?
Q5. Laptops sold by store B is what percent more or less than Laptops sold by store C.
Q6. A is 50% more efficient than B. They together start the work and 7/12th of work is left after 8 days. Find in what time B alone will complete the whole work.
Q7. The circumference of two circles is 132 m and 176 m respectively. What is difference between the area of larger circle and smaller circle ? (in m²)
Q8. Average of four numbers is 26. Sum of the smallest and the largest number is 55. If difference between other two numbers is one then find the square of second smallest number.
a + b + c + d = 4 x 26 = 104
a +d = 55
⇒ b + c = 49
c – b = 1
b = 24, c= 25
b² = 576
Q9. Mixture containing milk and water in ratio of 2 : 3 has volume of 30 liters. If 10 L of water is added to it then find the ratio of milk to water in the mixture?
Q10. Shopkeeper buys 3 articles for Rs 2100 (CP of each article is same). If he made overall profit of 20% on selling all the three articles then find the profit obtained on selling one article.
Directions (11-15): In the following questions, two equations in x and y are given. Solve these equations and give answer
Q11. I. 2x+3y=14
II. 2x + y = 8
Solving I and II,
we get x = 2.5, y = 3
y > x
Q12. I. 6x²+77x+121=0
Q13. I. 6x²+41x+63=0
Q14. I. 4x²+11x+6=0
Q15. I. 10x²-7x+1=0