# Quant Test for SBI PO Prelims 2020 Exam set – 1

Directions (1-5): Study the following and answer the questions:

1. a)x^2 + 30x + 221=0
b)y^2-53y+196=0
x>y
x
x≥y
x≤y
x=y or relation cannot be established
Option B
(x+13)(x+17)=0
x=-13,-17
y=49,4

2. a)x^2-33x+272=0
b)y^2-30y+224=0
x>y
x
x≥y
x≤y
x=y or relation cannot be established
Option C
x=16,17
y=16,14

3. a)15x^2-14x-32=0
b)6y^2-y-5=0
x>y
x
x≥y
x≤y
x=y or relation cannot be established
Option E
x=2,-1.05
y=1,-0.8

4. a)x^2-9x+20=0
b)2y^2-11y+14=0
x>y
x
x≥y
x≤y
x=y or relation cannot be established
Option A
x=5,4
y=3.5,2

5. a)5x^2-18x+9=0
b)3y^2+5y-2=0
x>y
x
x≥y
x≤y
x=y or relation cannot be established
Option A
x=0.6,3
y=0.33.,-0.2

6. Directions (6-10): Study the following and answer the questions:

In a school of 600 students,boys and girls are in ratio of 8:7.Each student went to either biology lab or computer lab or both.40% of the boys only attend biology lab,total 20% students went to both the labs out of which 25% are boys,45% of the girls went to only computer lab.

7. Total how many boys went to only biology lab?
158
165
178
185
174
Option A
Ratio=8:7=320:280
20 prcent both=20*600/100=120
Boys in biology lab=40*320/100=128
Boys in both labs=25*120/100=30
Girls in computer lab=45*280/100=126
Total=128+30=158

8. How many girls went to only biology lab?
55
64
66
68
None of these
Option B
=(280-126-90)

9. Total number of students went ot biology lab in what percentage of the total number of students in the school?
42%
35%
32%
30%
None of these
Option C
perxetage=192*100/600

10. What is the total number of girls that went to computer labs?
210
212
214
216
None of these
Option D
=126+90

11. What is the total number of students that went to only computer labs?
285
288
250
292
None of these
Option B
=(320-128-30)B+126G
=162+126