Question 1 :
For every room in an office building, there are seven windows. Find the missing value in the table below, using the formula w = 7r.
(a) 12 1/2 (b) 84 (c) 19 (d) 112
Question 2 :
Solve the following equation :
p/9 = 3
(a) 3 (b) 6 (c) 9 (d) 27
Question 3 :
What is 6398 ÷ 14 ?
(a) 457 (b) 467 (c) 452 (d) 362
Question 4 :
What is the volume of the solid below, in cubic units.
(a) 6 cu.un (b) 10 cu.un (c) 14 cu.un (d) 12 cu.un
Question 5 :
Bose work as a dog walker. He charges fifteen dollars per dog and each day he walks eight dogs. How much would he earn in 7 days ?
(a) 630 (b) 720 (c) 750 (d) 840
Question 6 :
Select all the equivalent ratios to 6 : 15
(1) 3:5 (2) 2:5 (3) 12:30 (4) 18:45 (5) 1:1
(a) (1) & (2) (b) (2), (3) and (5)
(c) (2), (3) and (4) (d) (1), (3) and (5)
Question 7 :
Use the numbers shown to answer the question
{6, 9, 12, 15, ......}
Which describes this set of numbers ?
(a) odd numbers (b) Even numbers
(c) Prime numbers (d) Multiples of 3
Question 8 :
What fraction is between 1/5 and 1/2 ?
(a) 1/10 (b) 3/10 (c) 4/5 (d) 9/10
(1) Solution :
Using the given formula w = 7r
when r = 12
w = 7(12)
w = 84
(2) Solution :
p/9 = 3
Multiply by 9 on both sides, we get
p = 3(9)
p = 27
So, the value of p is 27.
(3) Solution :
6398 ÷ 14
= 6398/14
= 457
(4) Solution :
Total number of cubes in the figure given above is 12.
Volume of cubes = 12 cubic units.
(5) Solution :
Number of dogs he gives practice = 8
Charge per dog = $15
One day earning = 15(8)
= 120
His earning in 7 days = 120(7)
= 840
(6) Solution :
Given ratio is 6 : 15
Dividing the given ratio 6 : 15 by 3, we get 2 : 5
Multiplying it by 2, we get 12 : 30
Multiplying it by 3, we get 18 : 45
So, option C is correct.
(7) Solution :
{6, 9, 12, 15, ......}
By observing the given sequence, it is multiples of 3.
(8) Solution :
To find the fraction in between the given fractions, let us change the denominators of fraction as same.
(1/5) ⋅ (2/2) = 2/10
(1/2) ⋅ (5/5) = 5/10
So, the fraction lies in between the given fraction is 3/10.
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