Consider the following:
Which of the following matches is correct ?
What should come in place of the question mark (?) to establish that T is the sister-in-law of Q in the given expression?
R % T * P ? Q • V
A sum of Rs. 800 amounts to Rs. 920 in 3 years at simple interest. What would be the amount, if the interest rate is increased by 3%?
In what ratio must water be mixed with milk to gain 20% by selling the mixture at cost price?