Multiple choice questions on Mathematics for competitive examination Test 10
This is Test 10 on Mathematics consisting of 20 questions for self check of your preparedness for the competitive examination.
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This is a set of multiple choice questions on Mathematics for competitive examination
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Sr No Question Answer Remarks 1 Which one is the smallest even prime number? 2 2 The ratio of two number is 4:7 and their HCF is 6. Find out their LCM 168 The two number will be 4*6 =24 and 7*6=42. The LCM of 24 and 42 will be 168 3 A prism is solid that has two congruent and parallel faces 4 What is the area of the figure shown below: Page 212 VI Maths 25 5 Vacancies for Engineers, Diploma and Artisan were in the ratio of 5:7:8 and it was decided to increase by 40, 50 and 75%. What will be the revised ratio (2:3:4) Let x be the HCF of the existing ratio that the vacancies were 5x, 7x and 8x. Now with the increase, it will become (5x+2x), (7x+3.5x) and 8x+6x) and HCF of these numbers will now become 2:3:4 6 The ratio of two number is 3:4 and their sum is 560. What is the larger number 320 Here 3x+4x=560 or x=80 and the larger number is 320 7 An old man gave away 1/5th of his property to Ram, 1/3rd of the remaining to Shyam and 1/2 of the remaining to Geeta. How much part he is left? (4/15) Let he has x amount of which he gives x/5 to Ram, left 4x/5 and gave 1/3 of this shyam i.e. 4x/15 and left with 8x/15 of which he gave 4x/15 to Geeta and thus left with 4x/15. 8 For drawing a circle touching all the three vertex, the center used is circumcenter 9 The condition that does not satisfy the condition of their being congruent is all three angles equal If all the three angles are same, it need not be congruent as the sides can be unequal. 10 find the value of [(2)āµ]āµ (2)Ā²āµ 11 What is the relation to find the diagonals of a polygons with number of side as ‘n’ n(n3)/2 The relation is given as n(n3)/2 12 Pythagorean triplets are 2m, mĀ²1, mĀ²+1 Pythagoras triplets are given for any natural number m which is greater than one. 13 6 pipes can fill the tank in 1 hour and 20 minutes. How much time in minutes it will take it to fill by 5 pipes. 96 6 pipes take 80 minutes than one pipe will take 6*80=480 and five pipe 480/5=96 minutes 14 A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in 2.5 Capacity of A is 1/15 and B is 1/10. work completed in 5 days is 1/3+1/2=5/6 and 1/6 is remaining which will be completed by A in 15/6 days i.e. 2.5 days 15 By what percentage the interest amount received after six year is more as compared to the amount after five years on Rs. 1000/ compounded at an interest of 10% is given by 0.1 Every year the interest is on the accumulated amount consisting of principle and interest and thus it will gain by the interest rate given. 16 Which one is a irregular polyhedron? 17 Find n: (2/9)āæ+(2/9)ā»ā¶=1 1=1ā° 1=1ā° 18 Pie diagram is used when the focus is on part of the whole 19 Water is pouring into a cuboidal reservoir at the rate of 60 liters per minute. If the volume of reservoir is 108 m3, find the number of hours it will take to fill the reservoir 30 hrs. 108 m^3 is 108*10^3 liters and time taken will be by dividing this number by 60 and answer will be in minutes which shall be divided by 60. 20 The height of a triangular base pyramid is 12 m with base area as 24 m. What will be volume of the triangular pyramid in cubic meter? 96 Area of triangular pyramid is given by 1/3(Base Area)*height 
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Question 1 of 20
1. Question
Which one is the smallest even prime number?

Question 2 of 20
2. Question
The ratio of two number is 4:7 and their HCF is 6. Find out their LCM

Question 3 of 20
3. Question
A prism is solid that has

Question 4 of 20
4. Question
Vacancies for Engineers, Diploma and Artisan were in the ratio of 5:7:8 and it was decided to increase by 40, 50 and 75%. What will be the revised ratio

Question 5 of 20
5. Question
The ratio of two number is 3:4 and their sum is 560. What is the larger number

Question 6 of 20
6. Question
An old man gave away 1/5th of his property to Ram, 1/3rd of the remaining to Shyam and 1/2 of the remaining to Geeta. How much part he is left?

Question 7 of 20
7. Question
For drawing a circle touching all the three vertex, the center used is

Question 8 of 20
8. Question
The condition that does not satisfy the condition of their being congruent is

Question 9 of 20
9. Question
find the value of [(2)āµ]āµ

Question 10 of 20
10. Question
What is the relation to find the diagonals of a polygons with number of side as ‘n’

Question 11 of 20
11. Question
Pythagorean triplets are

Question 12 of 20
12. Question
6 pipes can fill the tank in 1 hour and 20 minutes. How much time in minutes it will take it to fill by 5 pipes.

Question 13 of 20
13. Question
A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in

Question 14 of 20
14. Question
By what percentage the interest amount received after six year is more as compared to the amount after five years on Rs. 1000/ compounded at an interest of 10% is given by

Question 15 of 20
15. Question
Which one is a irregular polyhedron?

Question 16 of 20
16. Question
Find n: (2/9)āæ+(2/9)ā»ā¶=1

Question 17 of 20
17. Question
Pie diagram is used when the focus is on

Question 18 of 20
18. Question
Water is pouring into a cuboidal reservoir at the rate of 60 liters per minute. If the volume of reservoir is 108 m3, find the number of hours it will take to fill the reservoir

Question 19 of 20
19. Question
The height of a triangular base pyramid is 12 m with base area as 24 m. What will be volume of the triangular pyramid in cubic meter?

Question 20 of 20
20. Question
One rupee can buy 0.015 dollars and 1.82 Japanese Yen. How many yens a dollar can buy approximately?
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answer for question 13 is wrong.
answer for question 16 is wrong.
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how find answer
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