`86+(-28)+12+(-34)` is equal to: `-36` (b) 40 (c) 36 (d) `-40`

(-2)x\ (-3)x\ 6\ x\ (-1) is equal to (a)36 (b) -36 (c) 6 (d) -6

If x=3+sqrt(8), then x^(2)+(1)/(x^(2)) is equal to (a) 30 (b) 34(c)36 (d) 38

The LCM of 24, 36 and 40 is 4 (b) 90 (c) 360 (d) 720

If the side of an equilateral triangle is decreased by 20%, its area is decreased by (a) 36% (b) 40% (c) 60% (d) 64%

Find the lowest common multiple of 24, 36 and 40. (a) 120 (b) 240 (c) 360 (d) 480

If (lim)_(xvec0)(x^3)/(sqrt(a+x)(b x-sinx))=1,a >0t h e na+b is equal to a. 36 b. 37 c. 38 d. 40

If a+b+c=6 and ab+bc+ca=10 then the value of a^(3)+b^(3)+c^(3)-3abc is (a) 36 (b) 48( c) 42 (d) 40

If cos^(-1)x/2+cos^(-1)y/3=theta , then 9x^2-12 x ycostheta+4y^2 is equal to (a) 36 (b) -36\ s in\ ^2theta (c) 36\ s in\ ^2theta (d) 36\ cos\ ^2theta

Q.55 Which of the following is not the solution of the statement Divide 84 into two parts such thatof one part is equal to the other part : (A) 36,49( B) 36,48( C ) 49,88( D ) 36,72

The average age of Sita and Gita is 30 years. If Rita replaces Sita, then the average age will become 28 years and if Rita replaces Gita, then the average age will become 32 years. What are the respective ages (in years) of Sita, Gita and Rita respectively? (a)40,44,36 (b)44, 40, 36 (c)34, 26, 30 (d)30, 26, 34