If 3 - 8 - 17- 5 - 2 - 23- 6 - 2 - 72- then 8 - 4 - -

The correct option is B 16The rule is : a+b=a^2+b: a b=a^2 b; a× b=a^2× b ∴ 8÷ 4=8^2÷ 4=64÷ 4=16 ...

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Standard XII

Mathematics

Arithmetic Mean

If 3 + 8 = ...

Question

If $3 + 8 = 17; 5 - 2 = 23; 6 \times 2 = 72,$ then $8 \div 4 = ?$

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Solution

The correct option is B 16
The rule is : $a + b = a^{2} + b : a - b = a^{2} - b; a \times b = a^{2} \times b$
$∴ 8 \div 4 = 8^{2} \div 4 = 64 \div 4 = 16$

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Similar questions

Q. If 3 + 8 = 17; 5 - 2 = 23; 6

\times

2 = 72 then 8

\div

4 = ?

Q. If 3 + 8 = 17; 5- 2 = 23 ; 6 x 2 = 72 then

8 \div 4 = ?

Find the cube of $(2 a - 6 b)$

Q. Find the value of

A

2 + 3 = 8

3 + 7 = 27

4 + 5 = 32

5 + 8 = 60

6 + 7 = 72

7 + 8 = A

Evaluate :

$(i) \frac{3}{7} + \frac{- 4}{9} + \frac{- 11}{7} + \frac{7}{9} (i i) \frac{2}{3} + \frac{- 4}{5} + \frac{1}{3} + \frac{2}{5} (i i i) \frac{4}{7} + 0 + \frac{- 8}{9} + \frac{- 13}{7} + \frac{17}{9} (i v) \frac{3}{8} + \frac{- 5}{12} + \frac{3}{7} + \frac{3}{12} + \frac{- 5}{8} + \frac{- 2}{7}$

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If 3+8=17;5−2=23;6×2=72, then 8÷4=?

The correct option is B 16The rule is : a+b=a2+b:a−b=a2−b;a×b=a2×b∴8÷4=82÷4=64÷4=16

If $3 + 8 = 17; 5 - 2 = 23; 6 \times 2 = 72,$ then $8 \div 4 = ?$

The correct option is B 16
The rule is : $a + b = a^{2} + b : a - b = a^{2} - b; a \times b = a^{2} \times b$
$∴ 8 \div 4 = 8^{2} \div 4 = 64 \div 4 = 16$