1861 . If a is an even integer and b is an odd integer, which of the following expressions could be an even integer?

A. 3a+3b
B. 3a+2b
C. 2a+3b
D. 2a+b
E. None of these

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Answer: Option B

Explanation:

Only when and odd number is added with another odd number , or multiplied by an even number, the result is even.

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1862 . If a light flashes every 6 seconds, how many times will it flash in 3/4 of an hour ?

A. 450 times
B. 449 times
C. 451 times
D. 550 times

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Answer: Option A

Explanation:

3/4 hours = ( 3 × 60 × 60) /4 sec = 2700 sec = 2700/6 = 450.

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A. 1.75
B. 1.5
C. 1
D. 3

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Answer: Option B

Explanation:

[(18/4)-(18/12)]/2

=3/2

=1.5

(ans)

1864 . If a man reduces the selling price of a fan from Tk. 400 to Tk. 380, his loss increases by 2%. The cost price of the fan is:

A. Tk.480
B. Tk.600
C. Tk. 1000
D. Tk. 1060

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Answer: Option C

Explanation:

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A. 6
B. 5
C. 8
D. 13

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Answer: Option A

Explanation:

1866 . If a man was r years old s years ago, how many years old will he be t years from now?

A. rst
B. r + s - t
C. r + s + t
D. r - s + t

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Answer: Option C

Explanation:

a man was r years old s years ago,so his present age is = r + s

after t years his age will be = r + s + t

ans: r + s + t

1867 . If a man’s salary is 20% more than that of his son, how many percent is the son’s salary if compared to the salary of his father?

A. 75
B. 80
C. 83
D. 85

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Answer: Option C

Explanation:

1868 . If a mark of 76 or higher represents A grade, what is the nearest percentage of students who receive an A?

A. 14%
B. 17%
C. 20%
D. 9%

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Answer: Option C

Explanation:

A grade mark is 76 or more than 76.

So, A grade range is 76-100

Total % is 25% or less.

In question, nearest % option is 20.

1869 . If a number 'x' is divisible by 4,5, and 15 which of the following is also divisible by these numbers ?

A. x+4
B. x+5
C. x+15
D. x+60
E. None of these

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Answer: Option D

Explanation:

1870 . If a number exceeds another number by 13 and the larger number is 1.5 times the smaller number, then the smaller number is :

A. 13
B. 26
C. 31
D. none of these

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Answer: Option B

Explanation:

1871 . If a number is decreased by 4 and divided by 6, the result is 8. What would be the result if 2 is subtracted from the number and then it is divided by 5 ?

A. 9 2/3
B. 10
C. 10 1/5
D. 11 1/5

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Answer: Option B

Explanation:

Hints : Let, the number be x

x - 4 / 6 = 8

x = 6 × 8 + 4 = 52

Now, 52 - 2 / 5 = 50/ 5 = 10

1872 . If a number is divisible by 102, then it is also divisible by which of the followinig number?

A. 2
B. 3
C. 17
D. All

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Answer: Option D

Explanation:

As 102 is divisible by 2, 3 and 17 then the number which is divisible by 102 is also divisible by all of three numbers.

1873 . If a number is divisible by 102, then it is also divisible:

A. 23
B. 11
C. 5
D. 2

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Answer: Option D

Explanation:

As 102 is divisible by 2, 3 and 17 then the number which is divisible by 102 is also divisible by all of three numbers.

1874 . If a number of divisible by 102, then it is also divisible by :

A. 23
B. 11
C. 5
D. 2

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Answer: Option D

Explanation:

102 is a even number. Every even number is divisible by 2. So, easily the answer is 2.

1875 . If a number x is 10% less than another number y and y is 10% more than 125, then x is equal to:

A. 123.75
B. 140.55
C. 143
D. 150

View Answer	Favorite Question

Answer: Option A

Explanation:

y is 10% more than 125

So, y = 125 + 10% of 125

= 125 + 10/100 × 125

= 125 + 12.5

= 137.5

x is 10% less than y

x = 137.5 - 10% of 137.5

= 137.5 - ( 10/100 × 137.5)

= 137.5 - 13.75

= 123.75

x = 123.75

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1861 . If a is an even integer and b is an odd integer, which of the following expressions could be an even integer?

1862 . If a light flashes every 6 seconds, how many times will it flash in 3/4 of an hour ?

1863 . If a man goes 18 km downstream in 4 hours and returns against the stream in 12 hours, then speed of the stream in km/hr is

1864 . If a man reduces the selling price of a fan from Tk. 400 to Tk. 380, his loss increases by 2%. The cost price of the fan is:

1865 . If a man row at 10 km/h along the current & the rate of the current is 2 km/h, what is the man's rate against the current?

1866 . If a man was r years old s years ago, how many years old will he be t years from now?

1867 . If a man’s salary is 20% more than that of his son, how many percent is the son’s salary if compared to the salary of his father?

1868 . If a mark of 76 or higher represents A grade, what is the nearest percentage of students who receive an A?

1869 . If a number 'x' is divisible by 4,5, and 15 which of the following is also divisible by these numbers ?

1870 . If a number exceeds another number by 13 and the larger number is 1.5 times the smaller number, then the smaller number is :

1871 . If a number is decreased by 4 and divided by 6, the result is 8. What would be the result if 2 is subtracted from the number and then it is divided by 5 ?

1872 . If a number is divisible by 102, then it is also divisible by which of the followinig number?

1873 . If a number is divisible by 102, then it is also divisible:

1874 . If a number of divisible by 102, then it is also divisible by :

1875 . If a number x is 10% less than another number y and y is 10% more than 125, then x is equal to:

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