Fractions and Decimals Test

Result

Fractions and Decimals Test - 1

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Question 1
1 / -0

Use the following information to answer the next question.

Amit bought a soap for Rs 16.75 and a packet of biscuits for Rs 14.50 from a shop. He gave Rs 100 to the shopkeeper.

How much money will be returned to him by the shopkeeper?

A
Rs 49.35

B
Rs 56.25

C
Rs 68.75

D
Rs 71.25

Solution

Cost of soap = Rs 16.75

Cost of biscuit packet = Rs 14.50

∴ Total amount spent = Rs (16.75 + 14.50) = Rs 31.25

It is given that Amit gave Rs 100 to the shopkeeper.

∴ Amount that will be returned to him = Rs (100 – 31.25) = Rs 68.75

Thus, Amit will get back Rs 68.75 from the shopkeeper.
Question 2
1 / -0

What is the value of the expression (3.2 × 5 × 2.5 × 10 × 100)?

A
40

B
400

C
4000

D
40000

Solution

The given expression can be written as

(3.2 × 5) × 2.5 × (10 × 100) = (16.0 × 2.5 )× 1000

= 40.00 × 1000

= 40000

Thus, the value of the given expression is 40000.
Question 3
1 / -0

How can the number 123071.9087 be rounded off to the nearest hundredths?

A
123071.9

B
123071.91

C
123072.91

D
123071.908

Solution

Since 8 > 5, 123071.9087 can be rounded off to the nearest hundredths as 123071.91.