Question

26% of 275 + √1296 – 7.5 × 11 = ?
a) 25
b) -25
c) 30
d) 35​

Answer 1

The answer is a) 25.

Given: 26% of 275 + $\sqrt{1296}$ - 7.5 $\times$ 11

To Find: The answer to the simplification

Solution:

26% of 275

$=\frac{26}{100} \times 275$

$=\frac{7150}{100}$

= 71.5

∴ 71.5 + $\sqrt{1296}$ - 7.5 $\times$ 11

= 71.5 + 36 - 7.5 $\times$ 11

According to the BODMAS rule, multiplication comes first, second comes addition, and finally subtraction.

∴ 71.5 + 36 - 82.5

= 107.5 - 82.5

= 25

Answer: 25

Answer 2

We must recall that:

BODMAS rule is an acronym to help children to remember the order of operations in calculations. Operations are simply the different things that we can do to numbers in maths. It stands for, 'Brackets, Order, Division, Multiplication, Addition, Subtraction. '  

Given:

$\frac{26}{100}\times 275+\sqrt{1296}-7.5\times 11$

$\frac{7150}{100}+36-7.5\times 11$

$71.5+36-82.5$

$=25$