IBM online arithmetic test
41 / 438
The present worth of Rs. 1404 due in two equal half-yearly installments at 8% per annum simple interest is:
ARs. 1325
BRs. 1300
CRs. 1350
DRs. 1500
ENone of these
Answer: Option A
Explanation:Here is no explanation for this answer
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42 / 438
In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by:
A21 m
B26 m
C28 m
D29 m
EData inadequate
Answer: Option C
Explanation:Here is no explanation for this answer
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43 / 438
In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:
A21/46
B25/117
CJan-50
D25-Mar
ENone of these
Answer: Option A
Explanation:Let's assume the sample space = S
and Event of selecting 1 girl and 2 boys = E
So, n(S) = Number ways of selecting 3 students out of 25 = 25C3
=> (25 * 24 * 23)/(3 * 2 * 1) = 2300.
n(E) = (10C1 * 15C2)
= 10 * [(15 * 14)/(2 * 1)] = 1050.
P(E) = n(E)/n(S) = 1050/2300 = 21/46.
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44 / 438
The banker's gain on a sum due 3 years hence at 12% per annum is Rs. 270. The banker's discount is:
ARs. 960
BRs. 840
CRs. 1020
DRs. 760
ENone of these
Answer: Option C
Explanation:Here is no explanation for this answer
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45 / 438
If \(3\sqrt{5} + \sqrt{125}\) = 17.88, then what will be the value of \(\sqrt{80} + 6\sqrt{5}\)
A13.41
B20.46
C21.66
D22.35
ENone of these
Answer: Option D
Explanation:\(3\sqrt{5} + \sqrt{125}\) = 17.88
=> \(3\sqrt{5} + \sqrt{25}*\sqrt{5}\) = 17.88
=> \(3\sqrt{5} + 5\sqrt{5}\) =17.88
=> \(8\sqrt{5}\) = 17.88 => \(\sqrt{5}\) = 2.235
\(\sqrt{80} + 6\sqrt{5}\)
=> \(\sqrt{16} * \sqrt{5} + 6\sqrt{5}\)
=> \(4\sqrt{5} + 6\sqrt{5}\)
=> \(10\sqrt{5)\)
So 10 * 2.235 = 22.35
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46 / 438
A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum?
ARs. 4462.50
BRs. 8032.50
CRs. 8900
DRs. 8925
ENone of these
Answer: Option D
Explanation:Here is no explanation for this answer
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47 / 438
A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:
ARs. 12
BRs. 15
CRs. 18
DRs. 21
ENone of these
Answer: Option B
Explanation:Here is no explanation for this answer
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48 / 438
What is the difference between the compound interests on Rs. 5000 for 1 1/2 years at 4% per annum compounded yearly and half-yearly?
ARs. 2.04
BRs. 3.06
CRs. 4.80
DRs. 8.30
EData inadequate
Answer: Option A
Explanation:Here is no explanation for this answer
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49 / 438
Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
A9
B10
C12
D20
ENone of these
Answer: Option B
Explanation:Here is no explanation for this answer
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50 / 438
A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30 with the man's eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60. What is the distance between the base of the tower and the point P ?
A43 units
B8 units
C12 units
DNone of these
EData inadequate
Answer: Option E
Explanation:Here is no explanation for this answer
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