For the following questions answer them individually
If A, M, D and S denote the usual addition, multiplication, division and subtraction respectively, then {10 S (3 M 4) D 2} A 3, is equal to
If $$a * b = a + b - \frac{ab}{2}$$ for all, $$a, b \epsilon R$$ and e is a non-zero real number, then the value of a for which $$a * c = a$$ is
B is the father of A, C is the wife of B, D is the mother of C and E is the husband of D. Then how is E related to A ?
In a row of six persons, D and C are immediate neighbours of E, B is the only neighbour of A and C is the neighbour of F. The possible persons occupying the two end points of the row are
When the following fractions are arranged in ascending order of magnitude, the middle one is
$$\frac{2}{3}, \frac{5}{7}, \frac{9}{13}, \frac{9}{14}, \frac{7}{9}$$
A and B started a business investing ₹ 10,00,000 and ₹ 15,00,000 respectively and C joined them after 6 months with an investment of ₹ 20,00,000. The ratio of the share of their profits at the endof the year is