Triveni Schools
Hyderabad-Khammam-Kothagudem
SELF ASSESSMENT-V
Class:VIII 2020-2021 Sub: MATHS
I. Answer the following in one word or one sentence.
1. Explain inverse proportion in yourown words
2.
Is R1 : R2 = C2 : C1
3. If a number divisible by '8' then it also divisible by '4' also. Explain ?
4. Check whether 322 is divisible by 4 ?
II Answer the following in two or three sentences .
5. If 15 workers can build a wall in 48 hours, how many workers will be required to do the
same work in 30 hours.
III. Answer the following in four or five sentences.
6. 10 men can lay a road of 75km long in 5 days. In how many days can 15 men lay a road
of 45km long
(or)
7. A 3-digit number 4A3 is added to another 3-digit number 984 to give four digit number
13B7, which is divisible by 11. Find (A+B)
IV. Choose the correct answer.
7. The inverse ratio of 5:3 is ( )
A) 3:5 B) 5:3 C) 10:5 D) 5:10
8. The compound ratio of a:b and inverse ratio of c:d is ( )
. A) ac:bd B) ad:bc C) bc:ad D) ab:cd
9. When x and y are in inverse proportion and if y doubles, then x becomes ( )
A) half B) double C) remains same D) none
10. Time taken to cover a distance by a car and speed of the car side to be in ( )
A) Direct variation B) Inverse variation C) mixed variation D) none
11. Symbolic form of 'x' is inversely proportion to y ( )
A) x y B)
x
k
y
C) x
1
y
D) none
Answers
Answer:
Triveni Schools
Hyderabad-Khammam-Kothagudem
SELF ASSESSMENT-V
Class:VIII 2020-2021 Sub: MATHS
I. Answer the following in one word or one sentence.
1. Explain inverse proportion in yourown words
2.
Is R1 : R2 = C2 : C1
3. If a number divisible by '8' then it also divisible by '4' also. Explain ?
4. Check whether 322 is divisible by 4 ?
II Answer the following in two or three sentences .
5. If 15 workers can build a wall in 48 hours, how many workers will be required to do the
same work in 30 hours.
III. Answer the following in four or five sentences.
6. 10 men can lay a road of 75km long in 5 days. In how many days can 15 men lay a road
of 45km long
(or)
7. A 3-digit number 4A3 is added to another 3-digit number 984 to give four digit number
13B7, which is divisible by 11. Find (A+B)
IV. Choose the correct answer.
7. The inverse ratio of 5:3 is ( )
A) 3:5 B) 5:3 C) 10:5 D) 5:10
8. The compound ratio of a:b and inverse ratio of c:d is ( )
. A) ac:bd B) ad:bc C) bc:ad D) ab:cd
9. When x and y are in inverse proportion and if y doubles, then x becomes ( )
A) half B) double C) remains same D) none
10. Time taken to cover a distance by a car and speed of the car side to be in ( )
A) Direct variation B) Inverse variation C) mixed variation D) none
11. Symbolic form of 'x' is inversely proportion to y ( )
A) x y B)
x
k
y
C) x
1
y
D) none