Consider the following:
Which of the following matches is correct ?
How many pairs of letters are there in the word 'LANGUISH' which have the same letters between them in the word as in the alphabet?
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?