Test Index

CTET Paper I (Classes I to V) Dec 2019 Solved Paper

© examsnet.com

Question : 36 of 150

Marks: +1, -0

Evaluate:

17.5 × 3 – 21 ÷ 7 – 3 × 12.5

52.5
12
120
50

Solution:

Concept:

Apply BODMAS rule: Division and multiplication before subtraction, working left to right.

Explanation:

First, multiply:

17.5 \times 3 = 52.5

.

Then, divide:

21 \div 7 = 3

.

Next, multiply:

3 \times 12.5 = 37.5

.

Now, subtract in order:

52.5 - 3 = 49.5

, then

49.5 - 37.5 = 12

.

Answer:

12 (Option B)

© examsnet.com

Go to Question:

Prev Question

Next Question