30 g of sugar was mixed in 180 ml water in a vessel A, 40 g of sugar was mixed in 280 ml of water in vessel B and 20 g of sugar was mixed in 100 ml of water in vessel C. The solution in vessel B is:
UPSC-2016
sweeter than that in C
sweeter than that in A
as sweet as that in C
less sweet than that in C
Rakesh and Rajesh together bought 10 balla and 10 rackets. Rakesh spent ₹ 1800 and Rajesh spent ₹ 1500. If each racket costs three times a ball does, then what is the price of a racket ?
UPSC-2019
The ratio of a two-digit natural number to a number formed by reversing its digits is 4:7. The number of such pairs is
UPSC-2019
