Directions (1-5): What will come in place of (?) question mark in the following questions?
Q3. √9409-√1156=3339÷ ?
Q4. (320% of 825)÷ ?=48
Q5. 2/21 of 2268÷12+?=√3025
Direction (6–10): Solve the given quadratic equations and mark the correct option based on your answer.
(a) if x>y
(b) if x≥y
(c) if x<y
(d) if x ≤y
(e) if x = y or no relation can be established between x and y.
Q6. I. x² + 10x+16=0
II. y² +9y+20=0
Q7. I. x² – 14x + 45 =0
II. 3y² + 8y+4=0
Q8. I. x² +31x + 108 = 0
II. y² – 21y + 98 = 0
Q9. I. x² – 36x+99= 0
II. y² – 6y-7=0
Q10. I. x² –53x + 196 = 0
II. y² + 23y + 102 = 0
Directions (11-15): Pie chart given below shows percentage distribution of people based on a survey on their favorite type of ice creams.
Note: 1. One person likes only one type of ice cream.
2. Total number of people in the survey are 9000.
Q11. If 40% people who like mango ice creams are female, then find the number of males who like mango ice creams?
Q12. Find the difference between the number of people who like vanilla and Strawberry ice creams together to the people who like Orange and Mango ice creams together?
Q13. Find the average number of people who likes Chocolate, Mango and Strawberry ice creams?
Q14. Find the respective ratio of number of peoples who likes Vanilla ice creams to that of those who likes mango ice creams?
(a) None of those
(b) 31 : 21
(c) 21 : 31
(d) 24 : 17
(e) 24 : 13
Q15. Find the number of people who like strawberry and Orange ice creams together is what percent(approximately) of the people who like Vanilla ice creams?