1.The sum of first 20 odd natural numbers is equal to :
(1) 210
(2) 300
(3) 400
(4) 420
2.What number should be subtracted from both term of the ratio 15 : 19 in order to make it 3 : 4?
(1) 9
(2) 6
(3) 5
(4) 3
3.A starts business with Rs. 3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is B's contribution in the capital?
(1) Rs. 8000
(2) Rs. 8500
(3) Rs. 9000
[4] Rs. 7500
4.A, B and C rent a pasture. A puts in 10 oxen for 7 months, B 12 oxen for 5 months and C 15 oxen for 3 months for grazing. If the rent of the pasture is Rs. 175/, how much must C pay as his share of rent?
(1) Rs. 45
(2) Rs. 50
(3) Rs. 55
(4) Rs. 60
5.A reduction of 20% in the price of oranges enables a man to buy 5 oranges more for Rs. 10/ -. The price of an orange before reduction was:
(1) 20 paise
(2) 40 paise
(3) 50 paise
(4) 60 paise
6.In an examination, a student who gets 20% of the maximum marks fails by 5 marks. Another student who scores 30% of the maximum marks gets 20 marks more than the pass marks. The necessary percentage required for passing is :
(1) 32%
(2) 23%
(3) 22%
(4) 20%
7.If 3 men or 6 women can do a piece of work in 16 days. in how many days can 12 men and 8 women do the same piece of work?
(1) 4 days
(2) 5 days
(3) 3 days
(4) 2 days
8.On what sum does the difference between the compound in interest and the simple interest for 3 years at 10% is Rs. 31 ?
(1) Rs. 1500
(2) Rs. 1200
(3) Rs. 1100
(4) Rs. 1000
9.A builder borrows Rs. 2550 to be paid back with compound interest at the rate of 4% per annum by the end of 2 years in two equal yearly instalments. How much will each instalment be ?
(1)Rs. 1352
(2)Rs. 1377
(3)Rs. 1275
(4)Rs. 1283
10.At what percent per annum will Rs. 3000/ - amount to Rs. 3993 in 3 years if the interest is compounded annually?
(1) 9%
(2) 10%
(3) 11%
(4) 13%
Note : Answers will be updated soon...................
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