Mathematics : P&L Online Test

The number of boys is more than the number of girls by 12% of the total strength of the class. The ratio of the number of boys to that of the girls is:
11 : 14
14 : 11
25 : 28
28 : 25
In a factory, parts of an automobile, the parts manufactured on the shop floor are required to go through quality checks, each conducted after a specific part of the processing on the raw material is completed. Only parts that are not rejected at one stage are put through subsequent stages of production and testing. If the average rejection rates at these three testing machines during a month are 10%, 5% and 2% respectively, then what is the effective rejection rate for the whole plant?
17%
15.20%
84.80%
16.21%
The length of a rectangular plot is increased by 25% to keep its area unchanged, the width of the plot should be:
Kept unchanged
Increased by 25%
Increased by 20%
Reduced by 20%
37.85% and 92% alcoholic solutions are mixed to get 35 litres of an 89% alcoholic solution. How many litres of each solution are there in the new mixture?
10 of the first and 25 of the second
20 of the first and 15 of the second
15 of the first and 20 of the second
None of these
Peter got 30% of the maximum marks in an examination and failed by 10 marks. However, Paul who took the same examination got 40% of the total marks and got 15 more than the passing marks in the examination. What were the passing marks in the examination?
35
250
75
85
x% of y is y% of :
x
y/100
x/100
100x
Ravi’s salary is 150% of Amit’s salary. Amit’s salary is 80% of Ram’s salary. What is the ratio of Ram’s salary to Ravi’s salary?
1 to 2
2 to 3
5 to 6
6 to 5
Village A has a population of 6800, which is decreasing at the rate of 120 per year. Village B has a population of 4200, which is increasing at the rate of 80 per year. In how many years will the population of the two villages be equal?
9
11
13
16
A screw driver and a hammer currently have the same price. If the price of a screw driver rises by 5% and the price of hammer goes up by 3%, then how much more will it cost to buy, 3 screw drivers and 3 hammers?
3%
4%
5%
8%
The population of a city increases at a rate of 4% per annum. There is an additional annual increase of 1% in the population due to the influx of job seekers. Therefore, the % increase in the population after 2 years will be :
10
10.25
10.50
10.75
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25% , then value of x is :
25
18
16
15
In a shipment of 120 machine parts, 5 per cent were defective. In a shipment of 80 machine parts, 10 per cent were defective. For the two shipments combined, what per cent of the machine parts were defective?
6.5%
7.0%
7.5%
8.0%
A scooter costs Rs.25000 when it is brand new. At the end of each year, its value is only 80% of what it was at the beginning of the year. What is the value of the scooter at the end of 3 years?
Rs.10,000
Rs.12,500
Rs.12,800
Rs.12,000
A shopkeeper sold a TV set for Rs.17,940, with a discount of 8% and gained 19.6%. If no discount is allowed, then what will be his gain per cent?
25%
26.4%
24.8%
30%
A bicycle originally cost Rs.100 and was discounted 10%. After three months it was sold after being discounted 15%. How much was the bicycle sold for?
55.5
95.25
76.5
None of these
What will Rs.1000 be worth after three years if it earns interest at rate of 5% compounded annually?
1057
1257
1157
1300
How much interest will Rs.10,000 earn in 9 months at an annual rate of 6 percent?
450
500
475
600
A company has 6435 bars of soap. If the company has sold 20 per cent of its stock, then how many bars of soap did it sell?
1237
1257
1287
1300
A man sells an article at 5% profit. If he had bought it at 5% less and sold it for Rs. 1 less, he would have gained 10%. The cost price of the article is:
Rs.200
Rs.150
Rs.250
Rs.240
If the length and width of a rectangular garden plot were each increased by 20 per cent, then what would be the per cent increase in the area of the plot?
20%
24%
36%
44%
A number is increased by 10% and then reduced by10%. After this operation the number:
Does not change
Decreases by 1%
Increases by 1%
Increases by 0.1%
Mr. X’s salary is increased by 20%. On the increase, the tax rate is 10% higher. The percentage increase in tax liability is:
20
22
23
Indeterminate
A worker earns a 5% raise. A year later, the worker receives a 2.5% cut in pay, and now his salary is Rs. 22702.68. What was his salary to begin with?
Rs.22000
Rs.22176
Rs.25000
Rs.22193
Ravi gave Rs.1200 on loan. Some amount he gave at 4% per annum simple interest and remaining at 5% per annum simple interest. After two years, he got Rs. 110 as interest. Then the amounts given at 4% and 5% per annum simple interest are, respectively:
Rs.500,Rs,700
Rs.400,Rs,800
Rs.800,Rs,300
Rs.1100,Rs,1100
Two equal sums of money are lent at the same time at 8% and 7% per annum simple interest. The former is recovered 6 months earlier than the later and the amount in each case is Rs.2560. The sum and the time for which the sums money are lent out are:
Rs.1500, 3.5 years and 4 years.
Rs.2000, 3.5 years and 4 years
Rs.2000, 4 years and 5.5 years
Rs. 3000. 4 years and 4.5 years
Description:

This paper has 25 questions which are required to be finished in half an hours time.

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