CRE 3 - Successive Percentage Change | Arithmetic - Percentage
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If A is increased by 20%, A2 is increased by
- (a)
20%
- (b)
44%
- (c)
40%
- (d)
19%
- (e)
None of these
Solution
Discuss
Report8% of X is added to X. Again 8% of the result is added to the result. What is the multiple of X in the final answer?
- (a)
1166.4
- (b)
1.1664
- (c)
116.64
- (d)
11.664
Price of an item is increased by 20% and consumption reduced by 30%. Find the percentage change in expenditure?
- (a)
16% decreased
- (b)
20% increased
- (c)
6% decreased
- (d)
10% increased
- (e)
None of these
If a man’s wages are increased by 10% and afterwards decreased by 10%, the total change in percent is :
- (a)
1% increase
- (b)
10% increase
- (c)
1% decrease
- (d)
No effect
If the price on an article is reduced by 40% of its present amount, by how much % must the consumption increase in order that the expenditure remains the same?
- (a)
- (b)
66.33%
- (c)
40%
- (d)
When the sale price of an item was increased by 50%, there was a decrease of 20% in its sales quantity. What was the percentage effect on the sales?
- (a)
20% increase
- (b)
15% increase
- (c)
15% short fall
- (d)
None
If the length and breadth of a rectangle are decreased by 20%, then by what percent does the area decrease?
- (a)
19%
- (b)
25%
- (c)
40%
- (d)
36%
- (e)
None of these
Length of rectangle is increased by 50% and breadth reduced by 50%. Find the percentage change in its area?
- (a)
25% decreased
- (b)
50% decreased
- (c)
No change
- (d)
20% increased
- (e)
None of these
After deduction of 5% from a certain sum and then 10% from the remainder, a sum of Rs. 171 is left. The original sum was
- (a)
Rs. 250
- (b)
Rs. 350
- (c)
Rs. 200
- (d)
Rs. 450
Length of a rectangle is increased by 20% while breadth reduced by 10%. Find the % change in its area?
- (a)
30% increase
- (b)
12% increase
- (c)
18% increase
- (d)
10% increase
- (e)
None of these
The price of sugar has fallen by 10%. How many quintals can be bought for the same money which was sufficient to buy 18 quintals at the higher price?
- (a)
20
- (b)
22
- (c)
25
- (d)
30
Price of milk is increased by 50%. Find by how much percent the consumption is reduced so as not to increase the expenditure?
- (a)
16%
- (b)
20%
- (c)
50%
- (d)
28%
- (e)
None of these
Due to decrease of 20% in the price of sugar, a person can buy 6 kg. more sugar for Rs. 60. Find the decreased price of sugar per kg?
- (a)
Rs. 2/kg
- (b)
Rs. 4/kg
- (c)
Rs. 3/kg
- (d)
Rs. 5/kg
- (e)
None of these
If the price of gold increases by 30%, find by how much the quantity of ornaments must be reduced so that the expenditure may remain the same as before?
- (a)
- (b)
- (c)
30%
- (d)
19%
The population of a town is 35 × 103. If the number of males increase by 6% and the number of females by 4% the population would become 36760 after a year. Find the number of males in the town:
- (a)
16000
- (b)
17500
- (c)
19500
- (d)
18000
A man bought a house for Rs. 10 lakhs and rents it. He keeps 12½% of each month’s rent aside for repairs, pay Rs. 3320 as annual taxes and realizes 10% on his investment thereafter. The monthly rent of the house is?
- (a)
Rs. 1257.27
- (b)
Rs. 1268.57
- (c)
Rs. 833.3
- (d)
None of these
Raman's salary was decreased by 30% and subsequently increased by 30%. He has a loss of
- (a)
0%
- (b)
60%
- (c)
9%
- (d)
2.5%
- (e)
None of these
The population of a town increases 10% annually. What will be the population after 2 years, if present population is 2500?
- (a)
3250
- (b)
3500
- (c)
3025
- (d)
3700
- (e)
None of these
The price of sugar is increased by 20%. By how much % the consumption of sugar is reduced so as not to increase the expenditure?
- (a)
- (b)
12%
- (c)
30%
- (d)
- (e)
None of these