Directions (1-5): The given bar graph shows the number of buyers who buy books of three different types of publications Adda Ace publication, Arihant Publication and Kiran Publications across 5 cities Gurugram, Mumbai, Kanpur, Delhi and Chennai. Study the graph carefully to answer the following questions.

Q1. What is the difference of average of no. of buyers of Adda Ace publication and Kiran Publication across all the cities( in thousand) ?
375
400
300
325
360
Solution:

Q2. Total number of book buyer in Mumbai is what percent of number of book buyer in Delhi ? (Answer will be in approximate manner)
75%
125%
131%
145%
135%
Solution:

Q3. The number of buyers of Adda Ace Publication and Kiran Publication together in Kanpur is what approximate percent of the number of buyers of Adda Ace Publication and Arihant Publication in Chennai ?
73%
77%
65%
70%
80%
Solution:

Q4. Find the ratio of total number of buyers in all publications in Mambai to the total number of buyers in all publications in Gurugram ?
34 : 19
34 : 39
17 : 39
39 : 34
25 : 34
Solution:
Total number of buyers in Mumbai = 1700
Total number of buyers in Gurugram = 1950
Required ratio = 1700 : 1950 = 34 : 39

Q5. Total number of buyers of Adda Ace Publications in all cities is approximately what percent more/less than the total number of buyers of Kiran Publication in all cities ?
85% less
70% more
75% less
84% more
75% more
Solution:

Q6. The profit obtained by selling a thing in Rs. 840 is twice the loss occurred after selling the same thing in Just Rs. 600. Find cost price of thing?
Rs. 800
Rs. 680
Rs. 820
Rs. 720
None of these
Solution:
Let cost price of thing is Rs. x
A/q,
840 – x = 2 (x – 600)
3x = 2040
x = Rs. 680

Q7. The One year before, the age of a person was 4 times of his son’s age. 6 years hence, his age will be 9 years more than twice age of his son. What is the ratio of their current ages?
9 : 2
11 : 3
12 : 5
13 : 4
None of these
Solution:

Q8. Ridipta’s present age is three years less than twice her age 12 years ago. Also, the ratio of Raj’s present age to Ridipta’s present age is 4 : 9. What will be Raj’s age after 5 years?
12 years
7 years
21 years
Cannot be determined
17 years
Solution:
Let the present ages of Raj & Ridipta = 4x & 9x.
∴ Acc. To Question 9x = 2(9x – 12) – 3 ⇒ x = 3
∴ Raj’s present age = 4x = 12 yrs
Required age of Raj = 12 + 5 = 17 yrs.

Q9. The speed of a boat in still water is 12 kmph. If the boat covers 36 km upstream in 4 hours. How much time it will take to cover same distance in downstream ?
2.4 hr.
4.4 hr.
5.4 hr.
2 hr.
3.2 hr.
Solution:
Let speed of stream = S km/hr
∴ (12 – S) × 4 = 36 ⇒ S = 3 km/hr
⇒ Required time = 36/15 = 2.4 hr.

Q10. In a bag there are three mangoes and five oranges. Two fruits are chosen randomly. What is the probability that one is mango and other is orange?
11/28
17/28
13/28
15/28
19/28
Solution:

Directions (11-15): What will come in place of question mark (?) in following questions?

Q11.
441.25
541.25
645.25
641.25
741.25
Solution:

Q12.

Solution:

Q13. 35% of 42% of (6/7)th of 500 =?
36
44
52
60
63
Solution:

Q14. 8888 + 848 + 88 - ? = 7337 + 737
1750
1650
1550
1450
1250
Solution:
8888 + 848 + 88 – ? = 7337 + 737
⇒ 9824 – ? = 8074
⇒ ? = 9824 – 8074
= 1750

Q15. 414 × ? × 7 = 127512
36
40
44
48
52
Solution: