Social Islami Bank Ltd - Probationary Officer - 23.12.2011 - Prothom Sir

1.

If 200% of a number is 90, then what is 80% of that number?

48

45

৩৬

24

None of the above

48

45

৩৬

24

None of the above

2.

One side of a square is increased by 20%. What percentage will the other side have to be decreased in order to maintain the same area of the square?

৩০%

15%

23 \frac{1}{3}

%

16 \frac{2}{3}

%

None of the above

৩০%

15%

23 \frac{1}{3}

%

16 \frac{2}{3}

%

None of the above

3.

The value of machine is TK.6250. Its value decreases by 10% during the first year, 20% during second year and 30% during the third year. What will be the value of the machine after 3 years?

২৬৫০

৩০৫০

3150

৩৭৫০

None of the above

২৬৫০

৩০৫০

3150

৩৭৫০

None of the above

4.

Having scored 98 runs in the $19^{t h}$ innings, a crickter increases his average score by 4. What will be his average score after the $19^{t h}$ innings?

২২

24

২৮

26

None of the above

২২

24

২৮

26

None of the above

5.

Ratan sells a tape- recoder to Mizan at a loss of 10% and Mizan sells it Shihab at a loss of 20%. If Shihab pays TK. 1440 for it, at what price did Ratan buy?

TK. 1,920

Tk. 2,000

TK. 2,110

TK. 1,800

None of the above

TK. 1,920

Tk. 2,000

TK. 2,110

TK. 1,800

None of the above

6.

Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?

2 kg

2.4 kg

2.5 kg

1.8 kg

Try yourself

2 kg

2.4 kg

2.5 kg

1.8 kg

Try yourself

7.

Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. at this rate, how many bottles could 10 such machines produce in 4 minutes?

6,48

1,800

2,700

10,800

None of the above

6,48

1,800

2,700

10,800

None of the above

8.

A boat goes 13 Km upstream (against current) in 39 minutes. THE SPEED OF STREAM (current) is 3 km/hr. what is the speed of the boat in still water?

23 km/hr

27km/hr

17km/hr

20km/hr

None of the above

23 km/hr

27km/hr

17km/hr

20km/hr

None of the above

9.

If the numerator and the denominator of a proper fraction are increased by the same quantity, then the resulting fraction is --

Always greater than the original fraction

Always less than the original fraction

Always equal to the original fraction

Is not possible to determine

None of the above

Always greater than the original fraction

Always less than the original fraction

Always equal to the original fraction

Is not possible to determine

None of the above

10.

in a mixture of 60 liters, the ratio of milk and water 1:2 ?

55 liters

60 liters

75 liters

80 liters

None of the above

55 liters

60 liters

75 liters

80 liters

None of the above

Job Solution | Social Islami Bank Ltd

Social Islami Bank Ltd - Probationary Officer - 23.12.2011

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Job Solution | Social Islami Bank Ltd

Social Islami Bank Ltd - Probationary Officer - 23.12.2011

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