Subject Mathematics
876. ( ১২৫ ২৭ ) - ২ ৩ এর সহজ প্রকাশ -
(a) ৩ ২৫
(b) ৫ ২০
(c) ৯ ২৫
(d) ৩ ২০
Ans. c
877. দুটি লম্বালম্বি পরিমাণ 5N এবং 4N , তাদের লব্ধি পরিমাণ কত?
(a) 3 N
(b) √11 N
(c) √41 N
(d) 1 N
Ans. c
878. নিচের কোন ক্ষুদ্রতম সংখ্যাকে ৩, ৫ ও ৬ দ্বারা ভাগ করলে ভাগশেষ ১ হবে?
(a) ৭১
(b) ৪১
(c) ৩১
(d) ৩৯
Ans. c
879. একটি কাঠের টুকরার দৈর্ঘ্য আরেকটি টুকরার দৈর্ঘ্যের ৩ গুন। টুকরো দুটি সংযুক্ত করা হলে সংযুক্ত টুকরাটির দৈর্ঘ্য ছোট টুকরার চেয়ে কত গুন বড় হবে?
(a) ৩ গুন
(b) ৪ গুন
(c) ৫ গুন
(d) ৮ গুন
Ans. b
880. একটি ত্রিভুজাকৃতি ক্ষেত্রের ক্ষেত্রফল ৮৪ বর্গগজ। ত্রিভুজটির শীর্ষবিন্দু হতে ভূমির উপর অংকিত লম্বের দৈর্ঘ্য ১২ গজ হলে ভূমির দৈর্ঘ্য কত?
(a) ১০ গজ
(b) ১২ গজ
(c) ১৪ গজ
(d) ৭ গজ
Ans. c
881. x – [x – { x – (x + 1)}] – এর মান কত?
(a) x + 1
(b) 1
(c) -1
(d) x – 1
Ans. c
882. দুটি সংখ্যার গ.সা.গু, বিয়োগফল এবং ল.সা.গু যথাক্রমে ১২, ৬০, এবং ২৪৪৮। সংখ্যা দুটি কত?
(a) ১০৮, ১৪৪
(b) ১১২, ১৪৮
(c) ১৪৪, ২০৮
(d) ১৪৪, ২০৪
Ans. d
883. a : b = 4 : 7 এবং b : c = 5 : 6 হলে a : b : c = কত?
(a) 4 : 7 : 6
(b) 20 : 35 : 24
(c) 20 : 35 : 42
(d) 24 : 35 : 30
Ans. c
884. The average of X and Y is 40, and the average of Y and Z is 35.What is the value of (X –Y)?
(a) 5
(b) 10
(c) 15
(d) 20
(e) None of these
Ans. b
885. What is the rate of discount if a car that had a regular price of Tk. 30,00,000 is sold for Tk.27,90,000?
(a) 7%
(b) 8%
(c) 9%
(d) 10%
(e) None of these
Ans. a
886. Zinat’s father contributes to his daughters saving by giving her 10% of her total saving. If Zinat saves Tk. 100 in June, Tk.250 in July and Tk.130 in August, how much will she have in savings (in Tk.) at the end of that time?
(a) 528
(b) 524
(c) 539
(d) 489
(e) None of these
Ans. a
887. In a triangle the lengths of two sides are 5 and 9 and the length of the third side is represented by x. Which statement is always true?
(a) x > 5
(b) x < 9
(c) 5 ≤ x ≤ 9
(d) 4 < x <14
(e) None of these
Ans. d
888. When 4 is added to one half of a number, the results is 14. What is the number?
(a) 10
(b) 15
(c) 20
(d) 25
(e) None of these
Ans. c
889. If 4 times an integer x is increased by 10, the result is always greater than 18 and less than 34.What is the least value of x?
(a) 2
(b) 3
(c) 5
(d) 4
(e) None of these
Ans. b
890. In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles. How many marbles will he have to take out of his pocket to ensure that he has taken out at least one of each colour?
(a) 3
(b) 8
(c) 9
(d) 11
(e) None of these
Ans. c
891. The electric company charges Tk. 0.30 per kilowatt-hour (KWH).Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average cost of electricity for the 3 months?
(a) Tk. 72
(b) Tk. 96
(c) Tk. 48
(d) Tk. 144
(e) None of these
Ans. e
892. A ferry can carry 24 buses or 36 cars at a time. If there are 18 buses on the ferry, how many cars can be loaded onto it?
(a) 6
(b) 8
(c) 9
(d) 12
(e) None of these
Ans. c
893. If r =5z and 5z =3y, then r=?
(a) y
(b) 2y
(c) 5y
(d) 10y
(e) None of these
Ans. a
894. If the value of X and Y in the fraction XZ Y XZ/Y are both tripled, how does the value of the fraction change?
(a) Increases by one mind
(b) triples
(c) doubles
(d) remains the same
(e) None of these
Ans. d
895. In the last week of a month, a car dealer sold 12 cars. A new sales promotion came out the first week of the next month and he sold 19 cars that week. What was the percent increase in sales from the last week of the previous months compared to the first week of the next month?
(a) 58%
(b) 119%
(c) 158%
(d) 200%
(e) None of these
Ans. a
896. Jesmin spent one-third of her money on books and half of the remaining money on clothing. She then spent three-fourths of what she had left on food. She had 500 left over. How much money did she start with?
(a) Tk. 6,000
(b) Tk. 8,000
(c) Tk. 12,000
(d) Tk. 1600
(e) None of these
Ans. a
Choose the correct answer
897. If the length of a rectangle is increased by 20 % and the width of the same rectangle is deceased by 20%, then the area of the triangle-
(a) decreases by 20%
(b) decreases by 4%
(c) is unchanged
(d) increases by 20%
(e) increases by 40%
Ans. c
898. 8% of the people eligible to vote are between 18 and 21. In an election 85% of those eligible to vote who were between 18 and 21 actually voted. In that election, people between 18 and 21 who actually voted were what percent of those people eligible to vote?
(a) 4.2
(b) 6.4
(c) 6.8
(d) 8
(e) 68
Ans. c
899. It costs Tk. 1,000 to make the first thousand copies of a book and X taka to make each subsequent copy. If it costs a total of Tk. 7,230 to make the first 8,000 copies of a book, what is the value of X?
(a) 0.89
(b) 0.90375
(c) 1.00
(d) 89
(e) 90.375
Ans. a
900. Given that a and b are real numbers, let f (a, b) = ab and let g(a) =a² +2. Than f [3,g(3)]=
(a) 3a² + 2
(b) 3a² + 6
(c) 27
(d) 29
(e) 33
Ans. e