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BKB Senior Officer-2012

86. At Uttara High School each student studies exactly one foreign language.Three fifth of the students take Spanish and one-fourth of the remaining students take German.If all of them others take French,What percent of the students take French?

[BKB Senior Officer-2012 : 2012]

1. 10%

2. 30%

3. 20%

4. 25%

Answer

87. The average of the 10 numbers is -10.If the sum of 6 of them is 100,what is the average of the other 4?

[BKB Senior Officer-2012 : 2012]

1. -100

2. -50

3. o

4. 50

Answer

88. On a certain French-American Committee, 2/3 of the members are men,and 3/8 of the men are Americans.If 3/5 of the committee members are French, what fraction of the members are American women?

[BKB Senior Officer-2012 : 2012]

1. 2/5

2. 3/4

3. 3/20

4. 2/15

Answer

89. At 3 A.M. the temperature was 13º below zero.By noon, it had risen to 32.What was the average hourly increase in temperature?

[BKB Senior Officer-2012 : 2012]

1. (19/9)º

2. (19/6)º

3. 5º

4. 7.5º

Answer

90. If - 7 ≤ x ≤ 7 and 0 ≤ y ≤ 12, what is the greatest possible value of y-x?

[BKB Senior Officer-2012 : 2012]

1. -19

2. 5

3. 7

4. 19

Answer