# Quant Test for SBI PO Prelims 2020 Exam set – 13

1. Find out the wrong number in the following series:

15 , 25 , 36 , 49 , 66 , 85 , 110

15
25
66
49
110
Option C
Addition of +10 , + 11 , + 13 , +16 , + 20 , +25
Then +1 , +2 , +3 , + 4 , + 5

2. Study the follwing and answer the following:

a)x^2+18x+65=0
b)y^2+12y+35=0

x>y
x
x=y or relationship cannot be established
x is less than or equal to y
x is greater than or equal to y
Option C
x= – 5 , -13
y= – 5 , -7

3. Study the following and answer the question:

x= (-2)^2 + 111.21 – 20.10 * 11.90

-100
-80
-110
-70
None of these
Option B

4. Three persons X,Y and Z run around a circular stadium and complete one round in 36,24 and 40 seconds respectively.In hoiw many minutes will all the three meet again at starting point?
2 min
6 min
4 min
10 min
1 min
Option B
LCM of 36,24 and 40=360
Therefore,360/60=6 min

5. X and Y together can complete an project of data entry in 10 days.X speed is 60% of Y’s speed and total key depression in the project are 804000.What is Y’s speed in key depression per hour if they work for 5 hours a day?
11050
10050
12050
13000
None of these
Option B
Ratio =3:5
Total wok done by Y=(5/8)*804000=502500
Tota working hours by Y=10*5=50 hours
Y’s speed=(502500/50)=10050

6. The average age of 12 persons is 16.75 years.When a new person joins them,the average age is decresed by 0.75 years.Then find the age of new person?
7 years
8 years
9 years
10 years
None of these
Option A
Age of new person=13*(16.75-0.75)

7. Study the following and answer the questions:

7 , 8 , 17 , 52 , 209 , ?

1046
1200
1305
1100
None of these
Option A
7*1+1=8
8*2++1=17
17*3+1=52

8. 2 , 9, 35 , 98 , 222 , ?
400
437
420
450
None of these
Option B
2^3-1
3^3-1

9. a)x^2 – 31x +198 = 0
b)y@-4y+12=0
x
x>y
x=y or relationship cannot be established
x is greater than or equal to y
x is less than or equal to y
Option B
x=22 , 9
y = -6 , 2

10. a)x^2-6x + 5=0
b)y^2 + y – 342 = 0
x>y
x
x=y or relationship cannot be established
x is less than or equa to y
x is greater than or equa to y
Option
x=5 , 1
y =19 , -18