উচ্চতর গণিত MCQs
Showing 50 questions (Total: 10201)
If Purchasing price : selling price = 5: 6. What is the profit?
Correct Answer:
B: 20
Explanation:
If Purchasing price : selling price = 5: 6. What is the profit? Correct Answer 20 Let, the C.P = 5x and S.P =6xThen, profit = 6x−5x = xProfit %=(x×100)÷5x = 20%Thus, gain per cent is 20%.
If a = 9x-2, b=3x+5 and 2a = b, then the value of x =?
Correct Answer:
C: 35
How many spokes are there in a wheel of a car. If any two spokes from an angle of 15 ?
Correct Answer:
B: 24
Explanation:
How many spokes are there in a wheel of a car. If any two spokes from an angle of 15 ? Correct Answer 24 Circle Angele iis 360°.So, we can divided by 15=360°/15=24
A : B=1 : 2, B : C=4 : 3 and A+B+C=630. What is the value of A?
Correct Answer:
B: 140
The value of 2-14+2-15+2-16+2-175 is how many times the value of 2(- 17)?
Correct Answer:
C: 3
If the ratio of red, white, and black in a solution is 3:5:7, then what is the present of white is in that solution?
Correct Answer:
A: 33.33%
If a person deposit money into two banks at 6 Tk interest respectively, the difference in profit after three and half years and five years 144. How much money did the person deposit?
Correct Answer:
A: 1600
If pq
Correct Answer:
A: qp
What is the smallest integer n for which 25n >512 ?
Correct Answer:
A: 7
If a page length and width is 2 meter and 2 meter. If you cut in length 10 centimeter and width 2 centimeter. Then how many pices you get?
Correct Answer:
A: 2,000
For positive numbers n ,n+1, n+2 , n+4 and n+8, the mean is how much greater than the median?
Correct Answer:
D: 1
If n = 38 - 28 which of the following is not a factor of n?
Correct Answer:
D: 35
A border of uniform width is placed around a rectangular photograph that measures 8 inches by 10 inches. If the area of the border is 144 square inches, what is the width of the border, in inches?
Correct Answer:
B: 3
If 3 < x < 100, for how many values of x is x3 the square of a prime number?
Correct Answer:
D: Three
If price of a pen increased from 25 to 37.5. What percent of price is increased?
Correct Answer:
B: 50%
Explanation:
If price of a pen increased from 25 to 37.5. What percent of price is increased? Correct Answer 50% To calculate the percentage increase, you can use the formula:% Increase = [(New Value - Old Value) / Old Value] x 100%Plugging in the values given:% Increase = [(37.5 - 25) / 25] x 100% % Increase = (12.5 / 25) x 100% % Increase = 0.5 x 100% % Increase = 50%Therefore, the price of the pen has increased by 50%.
By selling 100 bananas, a fruit seller gains the selling price of 20 bananas. His gain percent is -
Correct Answer:
D: 25%
Number 29 is 10% of what number?
Correct Answer:
D: 290
The price of a cycle is reduced by 25%. The new price is reduced by a further 20%. The two reductions together are equal to a single reduction of-
Correct Answer:
D: 40%
A person bought an article for Tk 800. After 6 months he sold it for Tk 880. Find his annual gain percent?
Correct Answer:
D: 20%
If 10 products are brought in 8 taka and 8 product are sold in 10 taka. What is the percentage of profit?
Correct Answer:
A: 56.25
Explanation:
If 10 products are brought in 8 taka and 8 product are sold in 10 taka. What is the percentage of profit? Correct Answer 56.25 Cost price of 10 products = 8 taka Cost price of 1 product = 8/10 = 0.8 takaSelling price of 8 products = 10 taka Selling price of 1 product = 10/8 = 1.25 takaProfit per product = Selling price - Cost price = 1.25 - 0.8 = 0.45 takaProfit percentage = (Profit per product / Cost price) x 100 = (0.45 / 0.8) x 100 = 56.25%Therefore, the profit percentage is 56.25%.
What rate of interest per year was paid, if Tk. 50,000 earned Tk 1000 as interest in 2 years?
Correct Answer:
A: 1%
The edges of a cube are all increased by 10%. What is the percentage increase in volume?
Correct Answer:
C: 33.1%
If exterior angle of a polygon is 72°, what is the number of its sides?
Correct Answer:
C: 5
If mn≠0 and 25 percent of n eavals 3712 percent of m, what is the value of 12nm?
Correct Answer:
C: 18
If the width of a rectangle is one fourth of the length. If the perimeter is 90 cm, the width is -
Correct Answer:
C: 9 cm
Musa wants to buy a dress priced at Tk 89.75. If the sales tax is 8%. What is the total amount he must pay for the dress?
Correct Answer:
C: 96.93
How much interest will Tk 10,000 earn in 9 month at an annual rate of 6%?
Correct Answer:
D: 450
What amount of money invested would earn an interest of Tk 200 over 4 years at 10% simple interest rate?
Correct Answer:
B: 500
From 101 to 200, how many are the prime number?
Correct Answer:
C: 21
Explanation:
From 101 to 200, how many are the prime number? Correct Answer 21 Prime Numbers from 101 to 200 are101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199
In a office, 72% people liked Tea and 44% people liked Coffee. If each of them liked either Coffee or Tea and 40 liked both, what is the number of employee?
Correct Answer:
D: 250
Explanation:
In a office, 72% people liked Tea and 44% people liked Coffee. If each of them liked either Coffee or Tea and 40 liked both, what is the number of employee? Correct Answer 250 (72p/100)+(44p/100)-40=p (72p/100)+(44p/100)-p=40 (72p+44p-100p)/100=40 16p=40*100 p= 4000/16 p=250
The length of an arc is 7π. If the diameter of the circle is 14, what is the degree of central angle by that arc?
Correct Answer:
C: 180°
Explanation:
The length of an arc is 7π. If the diameter of the circle is 14, what is the degree of central angle by that arc? Correct Answer 180° We know that, s = rϴ ϴ =7π/7=π1 radian =180/π °π radian = 180°
The total expense of 15 employees is 27000 including 15% gratuty of service. What is per person expense excluding the gratuty?
Correct Answer:
D: 1530
Explanation:
The total expense of 15 employees is 27000 including 15% gratuty of service. What is per person expense excluding the gratuty? Correct Answer 1530 The total salary of employees without gratuity is = 27000=15% =22950So, The salary of per employee is (22950/15) =1530
If there are 10 gifts and 25 blank seats then what are the probability to win a prize?
Correct Answer:
B: 27
Explanation:
If there are 10 gifts and 25 blank seats then what are the probability to win a prize? Correct Answer 27 মোট সম্ভব্য ঘটনা (২৫+১০)=৩৫সুতরাং একটি পুরষ্কার জেতার সম্ভবনা =১০/৩৫ =২/৭ (উত্তর)
If you need 98 ounces of iron and 2 ounces of carbon to make a sheet of steel. How much iron you need in ounces to make 12 sheet steel?
Correct Answer:
C: 49
5 odd consecutive series, there 6th number is 15.4th number was?
Correct Answer:
A: 11
Find the missing number in the series 3, 6, 18, 72, 360, _
Correct Answer:
B: 2160
What is the measurement of each exterior angle of a regular polygon if it has 12 sides?
Correct Answer:
D: 30°
Explanation:
What is the measurement of each exterior angle of a regular polygon if it has 12 sides? Correct Answer 30° We know that the sum of all exterior angles of a polygon is 360o.Thus, each exterior angle of a regular polygon of 12 sides = 360o/ 12 = 30o
A circle whose center is at origin passes through point (4, 3). The length of the radious of this circle B is?
Correct Answer:
C: 5
Find out the exact value of cos8π3
Correct Answer:
C: -12
ABC is a triangle where the angle ABC = 96° and AB = BC what is the measurement of the angle ACB?
Correct Answer:
A: 42°
If the price of a product was reduced 10% then 20% then 40%, what was the total discount price?
Correct Answer:
B: 56.8
Explanation:
If the price of a product was reduced 10% then 20% then 40%, what was the total discount price? Correct Answer 56.8 Discount for 10% and 20% = 10 + 20 - (10 × 20)/100 ⇒ 28% Total discount = 28 + 40 - (28 × 40)/100 ⇒ 68 - 11.2 ⇒ 56.8%
△ABC is a right angle ∠ACB=90° , AC=16, BC=12, CD is perpendicular to AB and AD = 12.8. How long is CD?
Correct Answer:
D: 9.6
An equilateral triangle is inscribed in a circle, each side measuring 15 cm. What is the radious of this circle?
Correct Answer:
A: 53
If a hour-hand of a clock go anticlock wise from 2 to 9 what angle the hour hand pass?
Correct Answer:
C: 150 degree
cosecθ + cotθ=56, what is the value of cosecθ - cotθ?
Correct Answer:
D: 65
If a boy takes as much time in running 10 min. a car takes in covering 25 m, the distance covered by the boy's during the time the car covers 1 km is?
Correct Answer:
A: 400
Explanation:
If a boy takes as much time in running 10 min. a car takes in covering 25 m, the distance covered by the boy's during the time the car covers 1 km is? Correct Answer 400 1km =1000mThe boy goes = 1000*10/25=400m
If a copier makes 3 copies every 4 seconds, then continues at this rate, how many minutes will it take to make 9,000 copies?
Correct Answer:
C: 200
There are 5.5 billions bacteria. If 1 in 75 millions can do mutation how many bacteria was there possible can do mutation?
Correct Answer:
C: 73
Explanation:
There are 5.5 billions bacteria. If 1 in 75 millions can do mutation how many bacteria was there possible can do mutation? Correct Answer 73 We know that 1 Billion = 1000 MillionSo that, 5.5Billion=(5.5*1000)=5500MillionNow, the number of mutated bacteria = 5500/75 =73
Diameter of a circle was 8 cm. If diameter is 12 cm. what is the area?
Correct Answer:
D: 36π
Explanation:
Diameter of a circle was 8 cm. If diameter is 12 cm. what is the area? Correct Answer 36π In this Math 8 cm for confusionArea = πD24If Diameter is 12 cm Area = π×1224=36π
The length of rectangle ABCD is 65th of it's breath. Its perimeter is 132. What is it's area?
Correct Answer:
D: 1080 m2