DI Questions and Answer PDF for IBPS PO Pre 2018, NIACL, IBPS Clerk at Smartkeeda

Direction : Study the following bar chart carefully and answer the questions given beside.
 
In the below chart salary distribution of Manoj and Ritesh is given and you have to study the chart and answer the questions. The salary of Manoj is Rs 1,48,000 and that of Ritesh is Rs 1,96,000.
 
1
Find the difference between the expenditure on education and food by Manoj and by Ritesh in the same categories.
» Explain it
C
Expenditure by Manoj,
 
On food = 33% of 148000 = Rs. 48840
 
On education = 22% of 148000 = Rs. 32560
 
Total, M = Rs. (48840 + 32560) = Rs. 81400
 
Expenditure by Ritesh,
 
On food = 40% of 196000 = Rs. 78400
 
On education = 18% of 196000 = Rs. 35280
 
Total, R = Rs. (78400 + 35280) = Rs. 113680
 
Therefore, difference in expenditure = R – M = Rs. (113680 – 81400) = Rs. 32280
 
Hence, option C is correct.
 
2
If Ritesh wants to increase his saving by 14.28%, by what percent should he decrease his expenditure on bills?
» Explain it
B
Savings of Ritesh = 25% of 196000 = Rs. 49000
 
14.28% of 49000 = Rs. 7000
 
Expenditure on bills = 12% of 196000 = Rs. 23520
 
Therefore, required percentage decrease in expenditure on bills

7000  × 100 = 29.76%
23520

Hence, option B is correct.
 
» Explain it
A
Expenditure on education by,
 
Manoj, M = 22% of 148000 = Rs. 32560
 
Ritesh, R = 18% of 196000 = Rs. 35280
 
Thus, Ritesh spends more on education than Manoj
 
R – M = Rs. (35280 – 32560) = Rs. 2720
 
Hence, option A is correct.
 
4
Find out the ratio of expenditure on bills and miscellaneous by Ritesh to that of by Manoj in the same categories.
» Explain it
B
Expenditure by Ritesh,
 
On bills = 12% of 196000 = Rs. 23520
 
On miscellaneous = 5% of 196000 = Rs. 9800
 
Total = Rs. 33320
 
Expenditure by Manoj,
 
On bills = 17% of 148000 = Rs. 25160
 
On miscellaneous = 8% of 148000 = Rs. 11840
 
Total = Rs. 37000
 
Required ratio = 33320 : 37000 = 833 : 925
 
Hence, option B is correct.
 
5
By what percent does Manoj saves less than Ritesh?
» Explain it
C
Savings of Manoj = 20% of 148000 = Rs. 29600
 
Savings of Ritesh = 25% of 196000 = Rs. 49000
 
Therefore, reqd. % =  49000 – 29600  × 100 = 39.59%
49000

Hence, option C is correct.