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Omicron, the name of a variant of COVID-19, is the 15th letter in the Greek alphabet. The first 12 letters have been used to name the previous strains of the virus. The World Health Organisation (WHO) skipped 13th and 14th letters - Nu and Xi - when choosing a new name for the variant.
If a:b = 3:2, then find the value of (2a + 3b):(5b - 2a).
The ratio of two numbers P and Q is 6: 11 respectively. When 5 is added to P and 84 is subtracted from Q, then the ratio of P and Q becomes 5: 2 respect...
Ratio of males to females in village ‘A’ and village ‘B’ is 4:5 and 15:16, respectively and number of females in village ‘B’ is 25% more tha...
P, Q and R together started a business. Four times the investment of P equals five times the investment of Q and the capital of Q is twice that of R. Fi...
Marks scored by A and B in a test are in the ratio 13:9 respectively. If B had scored 8 more marks, then marks scored by A would be 30% more than that o...
Population of a town is 1,20,000. If number of the male increase by 7% and Females increase by 10% then the population of town would increase by 9.5 %. ...
A sum of Rs. ' K ' was intended to be distributed among Bunty, Babli, and Munna in the ratio of 2:3:4. However, due to an error, the amount was mistak...
A sum of Rs. 642 is divided among X, Y and Z such that X gets Rs. 144 more than Y. Y gets Rs. 90 more than Z. Find the share of Z?
Two numbers are respectively 20% and 10% more than a third number. Find the ratio of two numbers.
Two numbers are respectively 50% and 30% more than a third number. Find the ratio of two numbers.