Tip:A–D to answerE for explanationV for videoS to reveal answer
If
9×3+8=24,
10×2+7=35
80×40+3=60,
then find the value of 12×4+3= ?
- A.
7
- B.
9
(Correct Answer) - C.
12
- D.
16
Explanation
9×3+8=24
⇒(9×8)÷3=72÷3=24,10×2+7=35
⇒(10×7)÷2=70÷2=35,80×40÷(3×6)
⇒(80×3)÷40=240÷40=6
Similarly, 12×4+3=?
⇒(12×3)÷4=36÷4=9
Explanation
9×3+8=24
⇒(9×8)÷3=72÷3=24,10×2+7=35
⇒(10×7)÷2=70÷2=35,80×40÷(3×6)
⇒(80×3)÷40=240÷40=6
Similarly, 12×4+3=?
⇒(12×3)÷4=36÷4=9