Hi friends,
Greetings.
I am posting here under a further set of questions in Quantitative Aptitude. I shall post the answers to these separately in my next post.
Quans - 7
1. The average of marks of 14 students was calculated as 71. But, it was later found that the mark of one student was entered as 42 instead of 56 and of another student as 74 instead of 32. What is the new average if the above corrections are made?
(a) 67 (b) 68 (c) 69 (d) 71
2. The average weight of 8 person increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person?
(a) 60 kg (b) 85 kg (c) 76.5 kg (d) none of these
3. The average of 10 numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers is:
(a) 82 (b) 48 (c) 78 (d) 84
4. Average cost of 7 Mangoes and 8 Apples is Rs 48. Average cost of 5 Mangoes and 4 Apples is Rs 36. What is the total cost of 24 Mangoes and 24 Apples?
(a) 1044 (b) 720 (c) 2088 (d) 324
5. 19 friends went to a hotel for a dinner party. 13 of them spent Rs 79 each towards the cost of the dinner, and the rest Rs 4 more than the average expenditure of all the friends. What was the total money spent by them for the dinner?
(a) 1628 (b) 1536 (c) 1492 (d) none of these
6. In a test of 80 questions, Leena answered 75% of the first 60 questions correctly. If 80% is the grade, then what percent of the remaining questions, Leena should answer correctly to get the grade?
(a) 20% (b) 95% (c) 40% (d) 80%
7. The ratio of Girls and Boys in a class is 2 : 1. 40% of the girls and 25% of the boys have submitted their assignments. What percentage of students has not submitted their assignment?
(a) 55% (b) 65% (c) 70% (d) 75%
8. In Lincoln School on a day one twelfth of the students were absent. Of those present one fifth went on a field visit and there remained 704 students in the classes. What is the total strength of the students in the school?
(a) 900 (b) 1050 (c) 960 (d) 850
9. The population of a town is 1,00,000 and is increasing at an annual rate of 10%. What will be the population at the beginning of the fourth year?
(a) 1,33,100 (b) 1,21,000 (c) 1,33,000 (d) none of these
10. Of the total adult population of a town, 45% of men and 25% of women are married. What percent of the total adult population of the town is married? ( assume that no man marries more than one woman and vice versa)
(a) 33.3% (b) 32.14% (c) 31.1% (d) none of these
11. By selling a watch for Rs 495 a shopkeeper incurs a loss of 10%. Find the cost price of the watch for the shopkeeper?
(a) Rs 545 (b) Rs 550 (c) Rs 555 (d) Rs 565
12. A sold a bicycle to B at a profit of 25%. B sold the same to C at a profit of 20%. If C paid a sum of Rs 3000 for the cycle, then at what price A purchased the same?
(a) Rs 1800 (b) Rs 2000 (c) Rs 2200 (d) Rs 2500
13. A phone and a computer were sold for Rs 12,000 each. The phone was sold at a loss of 20% and the computer sold at a profit of 20%. Find the net gain or loss in the transaction?
(a) Rs 1200 loss (b) Rs 1000 loss (c) Rs 960 loss (d) Rs 1040 loss
14. The cost price of a pant and a pair of gloves is Rs 371. If the pant costs 12% more than the gloves find the cost price of the gloves.
(a) Rs 125 (b) Rs 150 (c) Rs 175 (d) Rs 200
15. The profit earned when an article is sold for Rs 800 is 20 times the loss incurred when it is sold for Rs 275. At what price should the article be sold to make a profit of 25%?
(a) Rs 300 (b) Rs 350 (c) Rs 375 (d) Rs 400
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