Quant Test for IBPS Clerk 2018 Prelim Exam Set – 01

Directions(1-5): What will the approximate value of the following questions.

1. 25.05 x 123.95 + 388.999 x 15.001 = ?
   8250
   7770
   8935
   7584
   8005
   Option C
   25.05 x 123.95 + 388.999 x 15.001 = ?
   = 25*123+388*15 = 8935

    

2. 4376 + 3209 – 1784 +97 = 3125+?
   2500
   2000
   2520
   2033
   2773
   Option E
   4376 + 3209 – 1784 +97 = 3125+?
   => 7682 – 1784 = 3125 + x
   => 5898 = 3125 + x
   => x = 5898 – 3125 = 2773

    

3. 85% of 420 + ? % of 1080 = 735
   48
   35
   55
   42
   40
   Option B
   85% of 420 + ? % of 1080 = 735
   => 357 + 10.8 x = 735
   => 10.8x = 735 − 357 = 378
   => x = 35

    

4. 30% of 1225 – 64% of 555 = ?
   17
   12
   14
   18
   10
   Option B
   30% of 1225 – 64% of 555 = ?
   = 367.5 − 355.2 = 12.3

    

5. 7/3 of 5/4 of 3024 = ?
   8520
   7000
   6520
   8820
   7220
   Option D
   7/3 of 5/4 of 3024 = ?
   = 35 × 252 = 8820

    

Directions(6-10): The following graph shows the percentage rise in population of six
different cities from 2010 to 2011 and 2011 to 2012.



6. If the rise in the population of City A from 2010 to 2012 was 2.75 lakh, what was its population in the year 2010?
   6.0
   5.5
   4.2
   2.5
   3.3
   Option D
   Let the population of City A in the year 2010 be x.
   Then, its population in the year 2012 = x*140/100*150/100 = 2.1x
   Difference = 2.1x – x = l.1x
   => 1.1x = 2.75 lakh
   => x =2.75/1.1 = 2.5 lakh

    

7. The population of City D in the year 2010 was approximately what per cent of its population in the year 2011?
   47%
   44%
   50%
   57%
   67%
   Option D
   Let the population of City D in the year 2010 be x.
   Then population of City D in the year 2011 = x ×175/100
   Required % = x *100/175x*100 = 57.14 == 57%

    

8. If the population of City E in the year 2010 was 3.2 lakh, what was its population in the year 2012?
   6.00 lakh
   8.44 lakh
   5.02 lakh
   6.72 lakh
   7.77 lakh
   Option D
   Population of E in the year 2012
   = 3.2* 150/100* 140/100
   = 6.72 lakh

    

9. In the year 2010, the population of cities B and F were equal, and the population of City F in the year 2012 was 5.4 lakh. What was the population of City B in the year 2012?
   8.2
   7.7
   5.5
   4.8
   6.4
   Option C
   Population of City F in the year 2010
   = 5.4*100/180*100/125 = 2.4 lakh
   [Population of B2010 = Population of F2010] Population of B2012 = 2.4* 160/100* 145/100
   = 5.568 lakh

    

10. If the population of City C was 4.5 lakh in the year 2010, what was its population in the year 2012?
    7.26 lakh
    8.06 lakh
    9.36 lakh
    8.25 lakh
    6.66 lakh
    Option C
    Population of City C2012
    = 4.5* 130/100* 160/100
    = 9.36 lakh