IB ACIO 2015 exams questions with answers

Start with these questions by no.1-10 read me 1st. part 2 of question list with solution of IB ACIO 2015 are here.

21. If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 days, how many men are required to dig additional 04 meters of the tunnel (of the same dimension) given that they work 04 hours a day for 04 days?

27
4
12
36 - ANSWER


22. A man sells an article at a certain price incurring 20% loss. If he had sold the same article for Rs.20 more, he would have earned 20% profit. What was the cost price of the said article?
Rs.20
Rs. 40
Rs. 50 - ANSWER
Rs. 60


23. Numerator of a fraction is increased by 60%, and at the same time
its denominator is decreased by 60%. The new fraction is
2.56 times the older fraction
Equal to the older fraction
4 times-the older fraction - ANSWER
0.36 times the older fraction


24. In a triangle ABC, one of the angles is average of the remaining two angles. Which of the following is always true about the triangle ABC?
Isosceles triangle
Equilateral triangle
One of its angles measures 60° - ANSWER
Right angled triangle.


25. If the area of a circle ‘C’ is equal to the area of a square ‘S’, then the ratio of the square of the perimeter of ‘C’ to the square of the perimeter of ‘S’ is nearly equal to
22:7
11:14 - ANSWER
88:7
1:1


26. The last digit of the number 3^2015 is
1
3
5
7 - ANSWER


27. What is the squareroot of 49%?
0.7%
7.0%
70% - ANSWER
Undefined


28. Log (40^2-20^2) is equal to
log 3
log 60 + log 20 - ANSWER
log 40 – log 20
log 20


29. Twelve persons meet in a conference and each shakes hands with all the others. How many handshakes take place?
66 - ANSWER
72
144
132


30. A man travels uphill to city C from city B in a car at the speed of 40 Km/hr, and returns to city B at a faster speed of 60 Km/hr. What is his average speed for the round trip?
0
48 Km/hr - ANSWER
50 Km/hr
Data insufficient
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