Quant Test for IBPS Clerk 2018 Prelim Exam Set – 16

Directions(1-5): Find the missing term of the following questions.

1. 21,26,30,34,39,?
   40
   38
   42
   30
   32
   Option C
   (19+23)/2 = 21
   (23+29)/2 = 26
   (29+31)/2 = 30
   (31+37)/2 = 34
   (37+41)/2 = 39
   (41+43)/2 = 42

    

2. 412,476,351,567,?,736
   250
   224
   288
   215
   200
   Option B
   +4^3 -5^3 +6^3 -7^3 +8^3
   ? = 224

    

3. 242,243,240,265,258,339,?
   328
   350
   402
   300
   325
   Option A
   +1^2,-3,+5^2,-7,+9^2,-11
   ? = 328

    

4. 13,26,22,132,124,?
   1440
   1240
   1150
   1000
   1250
   Option B
   13*2 = 26
   26-4 = 22
   22*6 = 132
   132-8 = 124
   124*10 = 1240

    

5. 4,12,60,420,?,41580
   3520
   3000
   3333
   3780
   3300
   Option D
   4*3 = 12
   12*5 = 60
   60*7 = 420
   420*9 = 3780
   3780*11 = 41580

    

Directions(6-10): Out of the total number of 7800 girls in a college, 15% are good at dancing and 20% of the number of girls good at dancing are also good in studies. 5% of the total number of girls in the college are good at drawing and 10% of the girls good at drawing are also good in studies. 35% of the total number of girls in the college are good at cooking and 20% of the girls good at cooking are also good in studies; also, 30% of the girls good at cooking are good at dancing but not good in studies. 10% of the total number of girls in the college are good only at singing. 25% of the total number of girls in the college are good at sports and 16% of the number of girls good at sports are also good at studies. Rest of the girls from the college are only good at studies.

6. How many girls from the college are good at studies?
   1145
   Data inadequate.
   1250
   1752
   1000
   Option B
   Data inadequate.

    

7. How many girls from the college are good at dancing?
   1110
   1330
   1220
   1170
   1500
   Option D
   The required number of girls
   = 7800*15/100
   = 1170

    

8. How many girls from the college are good only at singing?
   780
   660
   720
   700
   650
   Option A
   The number of girls good only at singing
   = 10% of 7800 = 780

    

9. How many girls from the college are good only at cooking?
   1005
   1365
   1450
   1300
   1350
   Option B
   The number of girls good at cooking = 7800 × 35%
   = 2730
   The number of girls good at (i) cooking and studies = 2730 × 20%
   = 546
   (ii) cooking and dancing but not in studies = 2730 × 30% = 819
   Hence, the number of girls good at cooking only is either equal to or less than (2730 – 546 – 819)
   =1365.

    

10. How many girls from the college are good at drawing?
    324
    320
    325
    390
    300
    Option D
    The number of girls good at drawing = 5% of 7800
    = 390