Maths Questions for DSSSB Exam : 25th July 2018 (Solutions)_00.1
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Maths Questions for DSSSB Exam : 25th July 2018 (Solutions)

Maths Questions for DSSSB Exam : 25th July 2018 (Solutions)_40.1
Directions (1-5): Study the following graph carefully & answer accordingly.
The following graph shows the percentage of a number of children born in three different states of India for the years 2011-2016.
Maths Questions for DSSSB Exam : 25th July 2018 (Solutions)_50.1
Q1. If the total no. of children born in Gujrat were 70,000 in 2013, then find the total number of children born in UP in the same year 2013.
(a) 85,000
(b) 80,000
(c) 84,000
(d) 1,30,000
Q2. The average value of percentage of children born in UP throughout the six years together is approximately how many times the average value of percentage of children born in Gujrat over all the years together?
(a) 3
(b) 1.5
(c) 2.5
(d) 1.16
Q3. From 2014 to 2015, there was increment of 20% in total no. of children born in all three states. If no. of children born in MP in 2015 was 60,000 then find the total no. of children born in UP in 2014.
(a) 90,000
(b) 1,00,000
(c) 95,000
(d) 85,000
Q4. If number of children born in UP in 2012 was 80,000, then find the average number of children born in MP and Gujrat together in 2012.
(a) 1,21,000
(b) 1,15,000
(c) 1,25,000
(d) 1,20,000
Q5. If in 2014, there were 30,000 children born in MP then find the ratio of no. of children born in Gujrat and UP in that year.
(a) 2 : 3
(b) 9 : 5
(c) 5 : 9
(d) 6 : 5
Q6. A man borrows Rs 6000 at 20% compound interest per annum. At the end of each year he pays back Rs 2000. How much amount he pay at the end of 3rd year to clear all his dues?
(a) Rs 5,088
(b) Rs 5,530
(c) Rs 5,453
(d) Rs 3,088
Maths Questions for DSSSB Exam : 25th July 2018 (Solutions)_60.1
Q8. One type of liquid contains 30% of milk, the other contains 45% of milk. A container is filled with 3 parts of the first liquid and 7 parts of the second liquid. The percentage of milk in the mixture is:
(a) 40.5%
(b) 41%
(c) 39%
(d) 38.5%
Maths Questions for DSSSB Exam : 25th July 2018 (Solutions)_70.1
Q10. A shopkeeper gave an additional 15 per cent concession on the reduced price after giving 20 per cent standard concession on an article. If Arpit bought that article for Rs. 1,360, what was the original price? 
(a) Rs. 3000
(b) Rs. 2400
(c) Rs. 2500
(d) Rs. 2000
Solutions
S1. Ans.(c)
Sol.
Total children born in the year 2013 in all the three states
=100/25×70,000
=2,80,000
∴ Children born in UP in 2013
= 30% of 280000 
= 84,000
S2. Ans.(d)
Sol.
Average of percentage of children in UP 
=1/6×(35+25+30+45+45+35)
=215/6
Average of percentage of children born in Gujrat 
=1/6×(25+40+25+25+30+40)
=185/6
∴Required answer=215/185
≃1.16
S3. Ans.(a)
Sol.
Total children born in 2015 in all states
=100/25×60,000
=2,40,000
∴ Total children born in 2014 
=2,40,000×100/120
=2,00,000
∴ Required answer=45/100×2,00,000
=90,000
S4. Ans.(d)
Sol.
Required average 
=1/2×(100/25×80,000 –80,000)
=1/2×2,40,000
= 1,20,000
S5. Ans.(c)
Sol.
Required ratio=25/45
=5/9
S6. Ans.(a)
Sol.
Amount to be paid after the end of first year 
=6000×120/100–2000
= 5,200 
Amount to be paid after the end of second year
=5200×120/100–2000
= 4240 
Amount to be paid after the end of third year 
=4240×120/100
= 5088 
Maths Questions for DSSSB Exam : 25th July 2018 (Solutions)_80.1
Maths Questions for DSSSB Exam : 25th July 2018 (Solutions)_90.1
S9. Ans.(d)
Sol.
Let A, B and C have amount 4x, 5x and 6x respectively. 
A’s total amount → 4x + x + x 
= 6x
B’s total amount → 5x – x – x
= 3x
C’s total amount → 6x + x – x
= 6x
∴ Required ratio = 6 : 3 : 6 
= 2 : 1 : 2  
S10. Ans.(d)
Sol.
Original price=1360×100/80×100/85
=2,000
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