1. In an NGO, the daily average wages of 20 illiterate employees is decreased from Rs. 25 to Rs. 10, thus the average salary of all the literate (educated) and illiterate employees is decreased by Rs. 10 per day. The number of educated employees working in the NGO is:
(a) 15
(b) 20
(c) 10
(d) data insufficient
(e) none of these
2. Mr. Manmohan calculated the average of 10, ‘three digit numbers’. But due to mistake he reversed the digits of a number and thus his average increased by 19.8. The difference between the unit digit and hundreds digit of that number is:
(a) 8
(b) 4
(c) 2
(d) can’t be determined
3. The average expenditure of the hotel when there are 10 guests is Rs. 60 per guests and the average expenditure is Rs. 40 when there are 20 guests. If it is known that there are some fixed expenses irrespective of the number of guests then the average expenditure per guest when there are 40 guests in the hotel:
(a) Rs. 30
(b) Rs. 25
(c) Rs. 20
(d) Can’t be determined
(e) Rs. 24
4. The incomes of A, B, C are in the ratio of 12 : 9 : 7 and their spending are in the ratio 15 : 9 : 8. If A saves 25% of his income. What is the ratio of the savings of A, B and C?
(a) 7 : 11 : 18
(b) 13 : 8 : 5
(c) 25 : 28 : 21
(d) 18 : 21 : 14
(e) 15 : 18 : 11
5. There are 43800 students in 4 schools of a city. If half of the first, two-third of the second, three-fourth of the third and fourth-fifth of the fourth are the same number of students, then find the ratio of number of students of A and D if A, B, C and D b the first, second, third and fourth schools respectively.
(a) 7 : 9
(b) 4 : 7
(c) 11 : 8
(d) 8 : 5
(e) None of these
6. In the Awadh school Gomti Nagar, there are 500 students. 60% of the students are boys, 40% of whom play hockey and the girls don’t play hockey, 75% of girls play badminton. There are only two games to be played. The number of students who don’t play any game is:
(a) 10%
(b) 36%
(c) 46%
(d) Can’t be determined
(e) None of these
7. Mr. Scindia after selling 5.5% stock at Rs. 92 receives Rs. 32200. Then he invested 1/3 of the amount in 4.5% stock at Rs. 92, 2/5 of the amount at Rs. 115 in 5% stock and the remaining in 6% stock at Rs. 56. The change in his income is:
(a) Rs. 56 loss
(b) Rs. 78 profit
(c) Rs. 80 profit
(d) Rs. 70 loss
(e) None of these
8. Akram Ali left an amount of Rs. 340000 to be divided between his two sons aged 10 years and 12 years such that both of them would get an equal amount when each attain 18 years age. What is the share of elder brother if the whole amount was invested at 10% simple interest:
(a) 12000
(b) 16000
(c) 160000
(d) 180000
(e) none of these
9. ICICI lent Rs. 1 lakh to captain Ram Singh at 6% per annum of simple interest for 10 years period. Meanwhile ICICI offered a discount in rate of interest for armed forces. Thus the rate of interest ICICI decreased to 4%. In this way Ram Singh had to pay total amount 1.48 lakh. After how many year Ram Singh got the discount in rate of interest?
(a) 3 years
(b) 4 years
(c) 6 years
(d) 5 years
(e) 8 years
10. Ganga, Jamuna and Saraswati can do a piece of work, working together, in1 days. Ganga is thrice efficient as Jamuna and Jamuna takes the twice the number of days as Saraswati takes to do it alone. What is the difference between the number of days taken by Ganga and Saraswati?
(a) 1
(b) 2
(c) 3
(d) 4
(e) None of these
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