Comparing Quantities Test

Result

Comparing Quantities Test - 4

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Question 1
1 / -0

If a number x is 10% less than the another number/and y is 10% more than 125, then x is equal to __.

A
123.75

B
140.55

C
143

D
150

Solution

It is given that, x = y − 10 of y ⇒ x = 9/10y
Also, y = 125 + 10 of 125 = 125 + 12.5 ⇒ y = 137.5
∴ x = 910 × 137.5
⇒ x = 123.75
Question 2
1 / -0

A number is increased by 10% and then it is decreased by 10%. Find the net increase or decrease percent.

A
Decrease by 1%

B
Decrease by 10%

C
Increase by 2%

D
Increase by 11%

Solution

Let the number be 100 Increased number =100+10% of 100=110 Now, this number is decreased by 10%
∴ New number =110−10 of 110=99
Net decrease =100 − 99 = 1
∴Net percentage decrease = (1/100×100)
Question 3
1 / -0

x 5s 5% of y, y is 24% of z. If x = 480, find the values of y and z respectively.

A
9500, 40000

B
9600. 40000

C
9800, 50000

D
9600, 50000

Solution

We have, x = 480 According to question,
x is 5% of y ⇒ 480 = 5/100 × y ⇒ y = 9600
Also,
y is 24% of z ⇒ 9600 = 24/100 × z ⇒ z = 40000
Question 4
1 / -0

If 12.5% of 192 = 50% of x, then x =

A
45

B
25

C
48

D
92

Solution

We have, 12.5% of 192 = 50% of x
⇒ 12.5/100 ×192 = 50/100 × x
⇒ x = 24 × 2
⇒ x = 48