# Quant Test for SBI PO Prelims 2020 Exam set – 5

1. In how many ways a group of 4 boys and 3 girls be made out of a total of 8 boys and 5 girls ?
140
180
720
560
None of these
Option A
=8C4 * 5C3

2. There are 8 boys and and 7 girls.In how many ways a group of 5 people can be made such that the particular girls is always to be included?
1005
985
1200
1001
None of these
Option D
Ways are 14C4

3. There are 6 boys and 7 girls.In how many ways a committee of 4 mmebers can be made such that a particular boy is always to be excluded?
502
550
605
495
None of these
Option D
Ways are 12C4.

4. In a group of 8 men,2 boys aged at 21 and 23 were replaced two new men.Due to this the average cost of the group increased by 2 years.What is the average age of the 2 new mens?
28
30
20
32
None of these
Option B
Total age of mens=8*2=16 years
Sum=21+23+16=60
Average=60/2=30 years

5. Three years ago,the average age of P,Q and R was 27 years.Also 5 years ago,the average age of Q and R was 20 years.What is the present age of P?
50 years
55 years
52 years
40 years
42 years
Option D
Sum three years ago=27*3=81
At present age=81+3*3=90
Present age of Q and R=20*2+5*2=50
So90-50=40

6. If mani spends Rs 1000 for the first 5 months,Rs 2000 for the next 4 months and Rs 3000 for the next 3 months and he saves Rs 2000 in the whole year then his average monthly will be hwat?
Rs 1000
Rs 2000
Rs 3000
Rs 4500
None of these
Option B
=1000* 5 + 2000* 4 + 3000*3 + 2000
=24000
=24000/12=2000

7. Study the following and answer the questions:

68 , 117 , 61 , 124 , 54 , ?

128
131
145
140
None of these
Option B
68-7=61
61-7=54
124+7=131

8. 3.25 , 6.5 , 19.5 , 78 , 390 , ?
2550
2500
2340
2450
None of these
Option C
3.25*2=6.5
6.5*3=19.5
19.5*4=78

9. 8 , 4 , 4 , 8 , 32 , ?
480
450
256
512
None of these
Option C

10. 6 , 8 , 8 , 22 , ? , 151
45
47
55
52
None of these
Option B
6*1+2=8
8*1.5-4=8
8*2+6=22
22*2.5-8=47