7 × (12 + 9 ) ÷ 3 - 9 = ?
A20
B30
C40
D50
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Related Questions:
The unit vector in the direction of the vector from P 1(1,0,1) to P2 (3,2,0) is
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
All inks are pens.
All pens are rubbers.
No rubber is a sharpener.
Conclusions:
(I) No ink is a sharpener.
(Il) Some rubbers are inks.
49 × 9 ÷ 9 + 3 = ?
8 ÷ 4 + 2 × 4 = ?
Evaluate (2 + 3) × (7 - 4)² = ?