How many 2 digit positive numbers are divisible by 4 or 9?
The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
What should come at the place of the question mark (?) in the following number series?
19, 33, 67, 97, 147, ?
Which set of letters, when sequentially placed in the gaps of the given letter series, will complete it?
bca_b_aabc_a_caa
The highest common factor (HCF) and least common multiple (LCM) of 13! and 31! are respectively:
How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?
Since the beginning of history,
P: a few specimens of this aquatic animal
Q: the Eskimos and Red Indians
R: by a very difficult method
S: have managed to catch
Anil and Raju work together to finish a task in 5 days. They work on it for 2 days, and then Raju leaves. The remaining work is done by Anil alone in 7 days. In how much time can Raju do the work alone?
Aarthi, Bharthi, and Karthi can complete a work in 12 hours, 16 hours, and 30 hours respectively. They start working simultaneously. After 3 hours, Aarthi stopped working, and after 1 more hour, Bharthi stopped working. How many hours are required by Karthi to complete the remaining work?