Subject Mathematics
476. 1 5 of 30% fo 0.60 = ?
0.12
0.18
3.6
0.36
0.036
Ans.
477. There will be a loss of 10%, if a chair is sold for Taka 540. At what price should the chair be sold to make a profit of 20%?
576
660
600
720
900
Ans.
478. A car-wash can wash 8 cars in 18 minutes. At this rate, how many cars can the car-wash wash in 3 hours?
13
40.5
80
125
405
Ans.
479. The cost function of a product is 400 + 2x, where x is the number of units produced. How many units should be produced to make an average cost of Taka 2.5 per unit?
200
800
400
720
900
Ans.
480. Organisers of a trade fair projected an increase of 20% in the number of visitors over the previous year, but the number of visitors actually increased by 50%. By what percentage was the actual number of visitors greater than projected number of visitors?
20%
25%
30%
50%
125%
Ans.
481. P is now 8 year older than Q. 17 years ago P was twice as old as Q. How old will Q be in 10 years?
43
35
15
27
25
Ans.
482. Salim gets grades of 79, 83, 86, and 89 on four math tests. What grade must he get on his fifth test to average 85?
86
3
87
87 1 2
88
Ans.
483. Musum can do a job in 2 hours. Hashem can do the same job in 3 hours. If they work together, how many hours will it take to do the job?
1 1 5
6
3
1 2 3
1 3 4
Ans.
484. A man deposits Tk. 600 in a Bank at 10% interest rate compounded annually. At the end of the second year, what will be the total amount including interest?
660
720
726
626
670
Ans.
485. An empty bucket being filled with paint at a constant rate takes 6 minutes to be filled to 7 10 of its capacity. How much more time it take to fill the bucket to full capacity?
2 minutes
3 minutes
2 and 4 7 minutes
2 hour and 4 7 minutes
8 and 4 7
Ans.
486. 35% of Buri's income is equal to 25% of Nuru's income. The ratio of their income is:
7:3
4:3
4:7
5:7
3:4
Ans.
487. In a class the ratio of boys and girls was 7 to 3. If there were 210 girls in the class what was the number of boys in the class?
63
90
147
280
490
Ans.
488. A fair coin is thrown in the air four times. If the coin lands with the head up to the first three tosses, what is the probability that the coin will land with the head up on the fourth toss?
3 4
1 4
1 8
1 16
1 32
Ans.
489. In a class of 50 students, 18 take music, 26 take art, and 2 take both art and music. How many student s in the class are not enrolled in either music or art?
6
8
16
24
36
Ans.
490. Mary says, "the number I am thinking of is divisible by 2 or it is divisible by 3". This statement is false if the number Marry is thinking is:
2
6
8
11
15
Ans.
491. The value of -3-(-10) is how much greater than the value of -10-(-3)?
0
6
7
14
26
Ans.
492. The value of -4-(-10) is how much greater than the value of -10(-4)?
0
6
14
12
24
Ans.
493. Consider the following series: 3, 4, 6, 9, 13, ___. What comes next?
15
16
17
18
19
Ans.
494. If A 3 is odd, which of the following is true?
A is odd only
A 2 is odd only
A 2 is even
Both a and b are true
Both a and c are true
Ans.
495. How much interest will Tk. 1000 earn is one year at an annual interest rate of 20% if interest rate is compounded every 6 months?
200
205
110
208
210
Ans.
496. If the length of a rectangle is increased by 30% and the width is decreased by 30% then the area will be -
Decreased by 9%
Increased by 9%
Decreased by 18%
Increased by 16%
Increased by 15%
Ans.
497. 25 ? = ? 81 . What is the missing number?
2025
45
53
49
65
Ans.
498. Average mark in Math in a class of 40 students is 45. Average mark of all the 30 boys is 50. Then the average mark obtained by the girls is:
30
35
25
40
33
Ans.
499. 729 ml of mixture contains milk and water in ratio 7 : 2. How much of the water is to be added to get a new mixture containing half milk and half water?
405 ml
81 ml
72 ml
91 ml
95 ml
Ans.
500. Thsumf consecutive odd number is 57. Middle one is
19
21
23
17
15
Ans.
Total Question : 25
Total Hit : 0
Correct : 0
Wrong/Cheat : 0