Solve the following : `19.3bar(68421) - 16.20bar(53)`

Solve the following. {38- (60 div 5 xx bar (16-8) div 2 div 3)} = ?

If bar(c)=3bar(a)+4bar(b) and 2bar(C)=bar(a)-3bar(b) then which of the following are incorrect (A) bar(c) and bar(a) have same direction (B) bar(c) and bar(b) have same direction (C) |bar(c)|>|bar(a)| (D) |bar(b)|>|bar(c)|

Simplify : 0.88bar(5)-0.3bar(53) .

Evaluate 3.bar(2)-0.bar(16)

If bar(a) and bar(b) are two unit vectors perpendicular to each other and bar(c)=lambda_1 bar(a)+lambda_2bar(b)+lambda_(3)(bar(a)timesbar(b)) ,then which of the following is (are) true? (A) lambda_(1)=bar(a).bar(c) (B) lambda_(2)=|bar(b)timesbar(a)| (C) lambda_(3)=|(bar(a)timesbar(b))timesbar(c)| (D) lambda_(1)+lambda_(2)+lambda_(3)=(bar(a)+bar(b)+bar(a)timesbar(b)).bar(c)

If bar(a),bar(b) and bar(c) are non-coplanar unit vectors such that bar(a)times(bar(b)timesbar(c))=(1)/(sqrt(2))(bar(b)+bar(c)) ],then which of the following statements are correct A. (bar(a),bar(c))=(3 pi)/(4) B. (bar(a),bar(b))=(3 pi)/(4) C. (bar(a),bar(b)+bar(c))=(pi)/(2) D.(bar(b),bar(c))=0

Find the mode of the following data: 25,16,19,48,19,20,34,15,19,20,21,24,19,16,22,16,18,20,16,19

A point C=(5bar(a)+4bar(b)-5bar(c))/(3) divides the line joining A=bar(a)-2bar(b)+3bar(c) and B in the ratio 2:1 then bar(AB) is