Math Help Line

Palli Karma Sahayak Foundation ( PKSF) Post: Assistant Manager, MCQ Math Solution Exam Date: 02-08-2019

6-Aug-2019

Q:

The numbers of rooms at Hotel G is 10 less than twice the number of rooms at Hotel H. If the total number of rooms at Hotel G and Hotel H is 425, what is the number of rooms at hotel G?

[PKSF-AM-08/2019]

A) 140 B) 180
C) 200 D) 280

Answer

280

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Q:

If x-1 / 3 =k and k=3, what is the value of x?

[PKSF-AM-08/2019]

A) 2 B) 4
C) 9 D) 10

Answer

10

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Q:

How many times does the digit ‘4’ come to write numbers from 10 to 100?
১০ থেকে ১০০ পর্যন্ত লিখতে ‘৪’ সংখ্যাটি কতবার পাওয়া যায়?

[PKSF-AM-08/2019]

A) 10 B) 11
C) 15 D) 19

Answer

19

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Q:

Which of the following is the lowest positive integer that is divisible by 8,9,10,11,12?

[PKSF-AM-08/2019]

A) 7,920 B) 5,940
C) 3,960 D) 2,970

Answer

3960

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Q:

A triangular plot with sides of 25 feet, 40feet and 55 feet is to be surrounded by a fence built on pillars set 5 feet apart. How many pillars will be required to surround the plot?

[PKSF-AM-08/2019]

A) 21 B) 22
C) 23 D) 24

Answer

24

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Q:

If the difference between the circumference and diameter of a circle is 60cm, then the radius of the circle is?

[PKSF-AM-08/2019]

A) 7 cm B) 9 cm
C) 10 cm D) 14 cm

Answer

14 cm

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Q:

(2x-1)2 / x-5 is equal to

[PKSF-AM-08/2019]

A) 2x2 B) 4x
C) 4x2 D) 4x3

Answer

4x 3

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Q:

How many times does the digit ‘4’ come to write numbers from 10 to 100?
[PKSF-AM-08/2019]

A) 10 B) 11
C) 15 D) 19

Answer

19

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Q:

A man spent ½ of his money and then lost ¼ of the reminder. He was left with Tk.3600. How much did he start with? [PKSF-AM-08/2019]

A) Tk. 7200 B) Tk. 8800
C) Tk. 9600 D) Tk. 1040

Answer

Tk. 9600

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Q:

If y=kx, where k is a constant and y=24 when x=6, what is the value of y when x=5? [PKSF-AM-08/2019]

A) 6 B) 15
C) 20 D) 23

Answer

20

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Q:

g(x)=ax2+24 for the function g defined above, a is a constant and g(4)=8. What is the value of g(-4)? [PKSF-AM-08/2019]

A) 8 B) 0
C) -1 D) -8

Answer

8

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Q:

In a class of 120 students numbered 1 to 120, all even numbered students opt for physics, those who were numbers are divisible by 5 opt for chemistry and those whose number are divisible by 7 opt for Math . How many opt for none of the three subjects? [PKSF-AM-08/2019]

A) 19 B) 41
C) 43 D) 51

Answer

41

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