Subject Mathematics
1426. একটি চৌবাচ্চার দুটি নল আছে। একটি নল চৌবাচ্চাটিকে ৪০ মিনিটে ভর্তি করতে পারে এবং অপরটি এক ঘন্টায় খালি করতে পারে। উভয় নলটি এক সাথে খুলে দিলে কতক্ষণে চৌবাচ্চাটি ভর্তি হবে?
২ ঘন্টা
৫ ঘন্টা
৭ ঘন্টা
৮ ঘন্টা
Ans.
1427. একটি ট্রেনের গতি ঘন্টায় ৭৫ কি. মি.। ট্রেনটির দৈর্ঘ্য ১৮০ মি. হলে, ৩২০ দীর্ঘ একটি প্লাটফর্ম অতিক্রম করতে ট্রেনটির কত সময় লাগবে?
১৪ সেকেন্ড
২৪ সেকেন্ড
২০ সেকেন্ড
১৮ সেকেন্ড
Ans.
1428. একটি বাঁশের এক-পঞ্চামাংশ সাদা, এক-তৃতীয়াংশে কালো, এক-দশমাংশ লাল ও বাকি অংশ সবুজ। সবচেয়ে বেশী কোন্ অংশ -
সাদা
কালো
লাল
সবুজ
Ans.
1429. ৫৩৫ টাকায় একটি জামা বিক্রি করায় ৭০% লাভ হয়। জামাটি কত টাকায় বিক্রি করলে ২০% ক্ষতি হত?
৩০০ টাকায়
৪০০ টাকায়
৪৫০ টাকায়
৫৫০ টাকায়
Ans.
1430. a + [a – {a + (a – 1)}]
1
2a - 1
2a
2a + 1
Ans.
1431. The interest charged on a loan is Tk. P per Tk. 1000 per the first month Tk. Q per Tk. 1000 for each month after the first month. How much interest will be charged during the first three months a loan of Tk. 10000?
10p + 20q
p + 2q
20p + 10q
30q
Ans.
1432. 8% of the people eligible to vote are between 18 and 21. In an election 85% of those (between 18 and 21) actual voted. What is the percentage of voters (between 18 and 21) in terms of total eligible voters?
8
6.4
6.8
4.2
Ans.
1433. If x + 2y = 4 and x y = 2, then x is equal to -
3 2
1
1 2
2
Ans.
1434. A worker is paid Tk. d an hour for the first 8 hours she works in a day. For every hour after the first 8 hours, she is paid Tk. c an hour. If she works 12 hours in one day, what is her average hourly wage for that day?
(4d + 80) 12
8d + 4c
(8d + 12c) 12
(2d + c) 3
Ans.
1435. Considering the accompanying diagram, which of the following statements is true?
Layer 1 56 0 K L M
KM < KL
KM < LM
KL < LM
LM < KL
Ans.
1436. The cost of a share in Acc Enterprise was Tk. D on Jan. 1, 2009. One year later, a share increased to Tk. Q. The fraction by which the cost of a share has increased in the year is -
(D -Q) Q
(Q – D) D
D Q
Q D
Ans.
1437. A bus uses one gallon of gasoline to travel 15 miles. After a tune-up, the bus travels 15% farther on one gallon. How many gallons of gasoline (to the nearest tenth) will it take for the bus to travel 150 miles after a tune-up?
8.5
8.7
8.9
9
Ans.
1438. Mr. Jamal bought a house at Tk. C in 2008. Three years later he sold the house for 25% more than he paid for it. He has to pay a tax of 50% of the gain. How many tax must Mr. Jamal pay?
1 24 C
C 8
1 4 C
C 2
Ans.
1439. If n and p are both odd numbers, which of the following numbers must be an even number?
n + p
np
np + 2
n + p + 1
Ans.
1440. ABCD is a square, EFGH is a rectangle. AB = 3. EF = 4. FG = 6. The area of the region outside of ABCD and inside EFGH is -
12
6
15
9
Ans.
1441. 3 48 is what part of 1 12
3 7
1 12
3 4
None of these
Ans.
1442. (2 3 x )×(y 1 2 ) = 7 3 4 , find the values of x and y.
3, 19
3, 14
14, 3
24, 6
Ans.
1443. Which of the following fractions is less than 7 8 and greater than 1 3
1 4
23 24
11 12
17 24
Ans.
1444. In an examination, there are 1000 boys and 800 girls, 60% of boys and 40% girls passed. The percentage of candidates that failed is -
48.88
45.88
50.00
49.88
Ans.
1445. If A’s income is 25% less than that of B, then how much percent is B’s income more than that of A?
33 1 3 %
66 2 3 %
11 2 3 %
None of these
Ans.
1446. In ∆ABC, the median BE intersect AC at E, if BG 6 cm, where G is the centroid, then BE is equal to -
7 cm
9 cm
8 cm
10 cm
Ans.
1447. If n
8
10
12
16
Ans.
1448. Salary of an officer increases every year by 20%. His salary in the year 2001 was Tk. 26640. What was his salary in 1999?
Tk. 20000
Tk. 19028
Tk. 18500
Tk. 18840
Ans.
1449. If 12% of x equal to 6% of y, then 18% of x will be equal to how much percent of y?
7%
9%
11%
None of these
Ans.
1450. 10 men can cut 15 trees in 2 hours. If 2 men leave the job, how many trees will be cut in 3 hours?
20 trees
18 trees
24 trees
None of these
Ans.
Total Question : 25
Total Hit : 0
Correct : 0
Wrong/Cheat : 0